[User]
<image>
<image>
<image>
What is the acceleration of a bicycle that goes from 3 m/s to 1 m/s in 2 seconds?
Choice list: A. 0.5 m/s2
B. 1.0 m/s2
C. 1.5 m/s2
D. -1.0 m/s2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
SI unit for acceleration
Choice list: A. acceleration
B. t
C. deceleration
D. speed
E. v
F. velocity
G. m/s2
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
<image>
<image>
symbol for a change in velocity
Choice list: A. acceleration
B. t
C. deceleration
D. speed
E. v
F. velocity
G. m/s2
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
<image>
<image>
If the line of a velocity-time graph slopes upward, then acceleration must be
Choice list: A. zero.
B. positive.
C. negative.
D. changing.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
measure of a change in velocity
Choice list: A. acceleration
B. t
C. deceleration
D. speed
E. v
F. velocity
G. m/s2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
The x-axis of a velocity-time graph represents
Choice list: A. speed.
B. velocity.
C. direction.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
symbol for a change in time
Choice list: A. acceleration
B. t
C. deceleration
D. speed
E. v
F. velocity
G. m/s2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
how quickly an object changes position
Choice list: A. acceleration
B. t
C. deceleration
D. speed
E. v
F. velocity
G. m/s2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Acceleration is a vector.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Acceleration shows how quickly velocity changes.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
A change in direction without a change in speed is not acceleration.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
A velocity-time graph shows how velocity changes over time.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Acceleration is always greater than or equal to zero.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Acceleration occurs only when there is a change in speed.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
It is easier to calculate acceleration when both speed and direction are changing.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
The y-axis of a velocity-time graph represents distance traveled.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
If a velocity-time graph slopes downward to the right, then acceleration is negative.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
If velocity is not changing, then acceleration is zero.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
A change in direction with or without a change in speed is velocity.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
If the slope of a velocity-time graph is a straight line, then velocity must be constant.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Acceleration shows
Choice list: A. how quickly an object travels.
B. the direction in which an object moves.
C. how far an object travels in a given time.
D. how quickly an objects velocity changes.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which of the following is an example of acceleration?
Choice list: A. a change in direction
B. an increase in speed
C. a decrease in speed
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
If you are riding in a car that decelerates suddenly, you will feel your body
Choice list: A. pressed backward.
B. pushed to the side.
C. thrust forward.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
To calculate acceleration without a change in direction, you should use the formula
Choice list: A. acceleration = v + t
B. acceleration = t/v
C. acceleration = v/t
D. acceleration = v  t
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
When Sara ran a race on a straight track, her speed changed from 3 m/s to 6 m/s over a time period of 3 seconds. What was her acceleration during that time?
Choice list: A. 3 m/s2
B. 1 m/s2
C. 2 m/s2
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What does a velocity-time graph represent?
Choice list: A. how velocity changes over time
B. how distance changes over time
C. acceleration
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
If speed decreases, then acceleration is
Choice list: A. zero.
B. positive.
C. negative.
D. between 0 and 1.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
By what letter is the fulcrum represented in the diagram?
Choice list: A. R
B. K
C. E
D. N
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which letter indicates the fulcrum?
Choice list: A. P
B. K
C. R
D. J
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Which letter represents a fulcrum?
Choice list: A. M
B. N
C. R
D. E
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Which letter corresponds to the part where a lever rests?
Choice list: A. P
B. R
C. A
D. Y
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
By what letter is the screw represented in the diagram?
Choice list: A. E
B. L
C. J
D. C
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
What is the machine represented with the letter L?
Choice list: A. INCLINED PLANE
B. WEDGE
C. LEVER
D. PULLEY
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Identify the lever in this picture
Choice list: A. E
B. L
C. C
D. J
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which machine would be best for transporting bricks?
Choice list: A. E
B. L
C. C
D. J
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Which label refers to the axel?
Choice list: A. M
B. P
C. S
D. J
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Identify the axle in the following image:
Choice list: A. M
B. S
C. P
D. F
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
By what letter is the pulley represented in the picture?
Choice list: A. K
B. U
C. L
D. M
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Identify the lever in this picture
Choice list: A. N
B. K
C. L
D. M
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
A pulley uses some form of a rope and wheel. Which picture is a pulley?
Choice list: A. M
B. L
C. K
D. U
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
A simple machine that consists of a rope and grooved wheel. What am I?
Choice list: A. WEDGE
B. LEVER
C. SCREW
D. PULLEY
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Identify nutcracker in this picture
Choice list: A. W
B. S
C. A
D. P
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which represents a pair of tongs?
Choice list: A. A
B. X
C. P
D. W
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Find the lever.
Choice list: A. V
B. F
C. E
D. L
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Which label represents the screw?
Choice list: A. E
B. M
C. P
D. L
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
What simple machine requires some kind of balance beam?
Choice list: A. pulley
B. lever
C. inclined plane
D. wheel and axle
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
In a pulley, what happens to the load when force is applied?
Choice list: A. The load goes down
B. The load doesn't move
C. The load goes up
D. The load falls off
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
What are the two elements needed for a pulley?
Choice list: A. Load and Force
B. Load and Lever
C. Force and Lever
D. Wheel and Force
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
How many simple machines are shown in the diagram?
Choice list: A. 5
B. 6
C. 4
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
What simple machine should you used to lift heavy object from one point to another?
Choice list: A. the pulley and the lever
B. wedge
C. screw
D. inclined plane
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
How do you prevent the load from falling down?
Choice list: A. release the load
B. Decrease effort force
C. Increase effort force
D. increase gravitational force
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
What is a pulley used for?
Choice list: A. suspend load
B. drop load
C. use as a compound
D. pull a load
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
How many pulleys does the compound pulley in the diagram consist of?
Choice list: A. 3
B. 1
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
A compound pulley is composed of what?
Choice list: A. a fixed and a movable pulley
B. two fixed and two movable pulleys
C. two movable pulleys
D. two fixed pulleys
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which label shows a single movable pulley?
Choice list: A. D
B. C
C. B
D. A
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
How many wheels are there in pulley D?
Choice list: A. 2
B. 4
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
How many wheels in pulley D?
Choice list: A. 3
B. 5
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which letter represents that the object has been fully raised up by the pully?
Choice list: A. B
B. A
C. D
D. C
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Which pulley system would require the least energy to life the weight?
Choice list: A. C
B. A
C. B
D. D
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
What is the simple machine shown in the diagram?
Choice list: A. wedge
B. ramp
C. lever
D. pulley
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
When load increases, what needs to happen to effort?
Choice list: A. It must decrease to lift the load
B. It must stay the same
C. It must change the mechanical advantage
D. It must increase to lift the load
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
How much is the ideal mechanical advantage?
Choice list: A. 1
B. 2
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
What moves the axle?
Choice list: A. only effort
B. only resistance
C. the wheel and effort
D. only the wheel
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
When the man turns the wheel in a clockwise manner, what is the direction of the motion?
Choice list: A. upward
B. counter-clockwise
C. downward
D. sideways
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which machine consists of a sloping surface that connects lower and higher elevations?
Choice list: A. Screw
B. Inclined Plane
C. Pulley
D. Lever
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
This is a simple machine consisting of a sloping surface that connects lower and higher elevations.
Choice list: A. Screw
B. Pulley
C. Lever
D. Inclined plane
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
How many simple machines is shown in the figure?
Choice list: A. 4
B. 3
C. 2
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
What is a wheel with a grooved rim around which a cord passes?
Choice list: A. Screw
B. Pulley
C. Lever
D. Wedge
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
What type of pulley is indicated in the drawing?
Choice list: A. Compound pulley
B. Single Fixed Pulley
C. lever pulley
D. Single movable pulley
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
How can the man prevent the load from falling down?
Choice list: A. Increase the load
B. Decrease the pull on the rope
C. Release the rope
D. Increase the pull on the rope
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
How many pulleys are there in the diagram?
Choice list: A. 3
B. 1
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
How many wheels on a pulley?
Choice list: A. 2
B. 4
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
What is the man using to help him lift the heavy load?
Choice list: A. wedge
B. pulley
C. inclined plane
D. lever
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
What simple machine is shown in this picture?
Choice list: A. Screw
B. Wedge
C. Lever
D. Pulley
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
A seesaw is an example of what simple machine?
Choice list: A. ramp
B. lever
C. wedge
D. pulley
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Which of these is NOT a Lever?
Choice list: A. Bottle
B. Nut Cracker
C. Seesaw
D. Pair of Tongs
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
In a pair of scissors, what is located in the middle of the load and the applied force?
Choice list: A. applied force
B. wheel
C. Fulcrum
D. load
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
How many examples of lever in daily life are shown?
Choice list: A. 3
B. 6
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
What is an example of a lever in daily life that is used by two people to play at the same time?
Choice list: A. Nut cracker
B. Seesaw
C. Fishing Rod
D. Pair of tongs
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
What is a sloping ramp up which heavy loads can be raised by ropes or chains?
Choice list: A. Lever
B. Pulley
C. Skewer
D. Inclined Plane
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
What is the object called that makes pushing the wheelbarrow easier?
Choice list: A. elevator
B. stairs
C. inclined plane
D. sand
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
How many wheels does the wheelbarrow have?
Choice list: A. 3
B. 1
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
In the diagram what is the man pushing the wheel barrow up?
Choice list: A. Inclined plane
B. Turning left
C. Level
D. Down a hilll
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
What is the man using to help him push the wheelbarrow up?
Choice list: A. pulley
B. wedge
C. lever
D. inclined plane
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
What happens if you pull the cord on the first image?
Choice list: A. The object doesn't move
B. The object falls
C. The object rises
D. The object goes down
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
How many pulleys shown in the figure?
Choice list: A. 1
B. 0
C. 3
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Which simple machine consists of an inclined plane wrapped around a cylinder or cone?
Choice list: A. 1) Lever
B. 3) Screw
C. 6) Pulley
D. 5) Wedge
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Which of the following types of simple machines is used to bind two physical objects together?
Choice list: A. Pulley
B. Inclined plane
C. Screw
D. Wedge
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
How many types of simple machines are there?
Choice list: A. 2
B. 6
C. 8
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
How many types of simple machines is shown in the diagram?
Choice list: A. 3
B. 6
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
A crowbar would be considered which one of these simple machines?
Choice list: A. screw
B. Lever
C. wedge
D. inclined plane
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Which number shows a wheel with a grooved rim around which a cord passes?
Choice list: A. 1
B. 4
C. 3
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
How many pulleys are being used here?
Choice list: A. 4
B. 2
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
What is the simple machine shown in the diagram?
Choice list: A. lever
B. wedge
C. pulley
D. inclined plane
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
How many pivots does this lever have?
Choice list: A. 2
B. 0
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
What is the man trying to carry?
Choice list: A. Table
B. Tree
C. Rock
D. Wood
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Which is a more complex pulley system?
Choice list: A. a
B. c
C. d
D. B
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
What simple machine is found here?
Choice list: A. lever
B. screw
C. pulley
D. rope
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Identify the wedge
Choice list: A. L
B. P
C. E
D. M
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
Which type of simple machine is a chisel?
Choice list: A. lever
B. screw
C. wedge
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
Which type of simple machine is the head of an axe?
Choice list: A. wedge
B. lever
C. screw
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
Which of the following is an example of a screw?
Choice list: A. spiral staircase
B. Ferris wheel
C. seesaw
D. axe
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
Which of the following is a second-class lever?
Choice list: A. seesaw
B. chisel
C. wheelbarrow
D. hockey stick
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
The ideal mechanical advantage of a screw is always
Choice list: A. less than 1.
B. equal to 1.
C. greater than 1.
D. greater than 2.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
The ideal mechanical advantage of a pulley equals the
Choice list: A. number of rope segments lifting up on the object.
B. length of the rope segments between the pulley and the object.
C. height of the pulley above the surface of the ground.
D. number of rope segments between the pulley and the beam.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
Which statement about a wheel and axle is true?
Choice list: A. It consists of two simple machines.
B. It changes the direction of the applied force.
C. It changes the distance over which the force is applied.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
Which class of lever does not change the direction of the applied force?
Choice list: A. class 1
B. class 2
C. class 3
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
Which of the following is an example of a third class lever?
Choice list: A. seesaw
B. wheelbarrow
C. hockey stick
D. pry bar
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
The ideal mechanical advantage of an inclined plane is always
Choice list: A. less than one.
B. equal to one.
C. greater than one.
D. less than zero.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
A wheel and axle increase the applied force when
Choice list: A. the input distance is equal to the output distance.
B. the input distance is less than the output distance.
C. the input force is applied to the wheel.
D. the output force is applied by the wheel.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
How many rope segments pull up on the object in a single moveable pulley?
Choice list: A. 1
B. 2
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
There are seven different types of simple machines.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
The input distance of an inclined plane is always greater than the output distance.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
The input force is always applied to the thinner side of a wedge.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
The center of a wheel and axle is called the fulcrum.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
The closer together the threads of a screw are, the harder it is to turn the screw.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
A wedge is used to cut or split objects.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
When you use a hammer to pry a nail out of board, the hammer is a first class lever.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
A lever always increases the force applied to the lever.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
When you turn a screw, you apply force along its inclined plane.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
The wheel of a Ferris wheel turns more quickly than the axle.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
A lever may or may not change the strength of the applied force.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
The wheel of a wheel and axle turns more slowly than the axle.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
A single fixed pulley has an ideal mechanical advantage of 1.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
A compound pulley always contains at least two fixed pulleys.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
A zip-line pulley is an example of a single moveable pulley.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
simple machine that consists of a rope and grooved wheel
Choice list: A. inclined plane
B. class 2 lever
C. pulley
D. screw
E. class 1 lever
F. wheel and axle
G. fulcrum
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
type of lever in which the fulcrum is between the input and output forces
Choice list: A. inclined plane
B. class 2 lever
C. pulley
D. screw
E. class 1 lever
F. wheel and axle
G. fulcrum
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
simple machine consisting of two connected rings or cylinders that both turn around a single center point
Choice list: A. inclined plane
B. class 2 lever
C. pulley
D. screw
E. class 1 lever
F. wheel and axle
G. fulcrum
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
<image>
simple machine that consists of an inclined plane wrapped around a cylinder or cone
Choice list: A. inclined plane
B. class 2 lever
C. pulley
D. screw
E. class 1 lever
F. wheel and axle
G. fulcrum
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
fixed point of a lever around which the bar rotates
Choice list: A. inclined plane
B. class 2 lever
C. pulley
D. screw
E. class 1 lever
F. wheel and axle
G. fulcrum
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
simple machine consisting of a sloping surface that connects lower and higher elevations
Choice list: A. inclined plane
B. class 2 lever
C. pulley
D. screw
E. class 1 lever
F. wheel and axle
G. fulcrum
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
type of lever in which input and output forces are on the same side of the fulcrum
Choice list: A. inclined plane
B. class 2 lever
C. pulley
D. screw
E. class 1 lever
F. wheel and axle
G. fulcrum
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What happens after the sun warms the land, which warms the air?
Choice list: A. This cold dense air sinks
B. Nothing happens
C. Less dense warm air rises
D. The air is cooled off by the land
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Where is the air the coolest?
Choice list: A. On the ground
B. Higher in the atmosphere
C. Low in the atmosphere
D. Closest to the sun
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What happens after less dense warm air rises?
Choice list: A. wind
B. Air warms
C. Air cools
D. Cold dense air sinks
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What happens to cool air when it reaches a hot radiator?
Choice list: A. Warm air rises
B. Cool air falls
C. Warm air falls
D. Cool air rises
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Why is the warm air rising in the room?
Choice list: A. It doesn't
B. The cool air is less dense
C. It started there
D. It's less dense than cool air
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Wind direction flows:
Choice list: A. From warm air over land to cool air over land
B. Towards the sun
C. From low pressure to high pressure
D. From high pressure to low pressure
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many stages are there in the transfer of thermal energy?
Choice list: A. 5
B. 6
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
To where does the wind blow?
Choice list: A. high pressure area
B. into the earth
C. low pressure area
D. towards the sun
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
In a convection current how does cool air react?
Choice list: A. It sinks
B. It rises
C. It stays the same
D. It both rises and sinks
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What does the convection current do to air?
Choice list: A. does not change the air
B. charges the air with elctricity
C. cools air
D. warms air
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What happens when warm air rises?
Choice list: A. warm air stays in the atmosphere
B. air keeps warming up
C. warm air doesn't rise
D. air cools and sinks
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many stages are shown in this image?
Choice list: A. 6
B. 7
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
In a convection current, what does warm air do?
Choice list: A. It moves laterally.
B. It sinks.
C. It stays dormant.
D. It rises.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
The red arrows in the diagram refer to:
Choice list: A. Cool Molecules
B. Heat
C. Convection
D. Warm Molecules
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Heat is lost when warm molecules:
Choice list: A. Encounter cool molecules
B. Stay in place
C. Rise to the surface of the liquid
D. Fall to the bottom of the kettle
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many types of molecules are involved in the convection process?
Choice list: A. 4
B. 2
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
At what point does air cool?
Choice list: A. After hot air rises
B. After hot air sinks
C. After cold air sinks
D. After cold air replaces hot air
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
When does air start getting hot?
Choice list: A. When it cools.
B. When it rises.
C. When it sinks.
D. When cool air replaces hot air.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many processes are shown in the diagram?
Choice list: A. 2
B. 4
C. 3
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many processes are thereafter hot air rises?
Choice list: A. 3
B. 2
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which part of the room will have higher temperature?
Choice list: A. Near the floor
B. All parts of the room will have same temperature
C. On the wall near the furnace
D. Near the ceiling and above the furnace
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What does hot air do?
Choice list: A. It stays dormant.
B. It sinks.
C. It moves laterally.
D. It rises.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
After heat rises in a convection cycle:
Choice list: A. Cool air rises
B. The convection cycle ends
C. Heat falls
D. Cool air falls
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Conduction is the transfer of heat energy by
Choice list: A. molecular contact
B. movement through a vacuum
C. density differences
D. electromagnetic waves
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Where is the best place to put a convection heater to warm up a room?
Choice list: A. Near the floor
B. Near the ceiling
C. On the ceiling facing down the room
D. It does not matter
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
When the transfer of thermal energy occurs between particles that are touching each other, it exhibits...
Choice list: A. insulation
B. radiation
C. conduction
D. convection
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What type of heat transfer happens in the water?
Choice list: A. Radiation
B. Radiation and Conduction
C. Conduction
D. Convection
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which form of thermal energy transfer does NOT require physical contact?
Choice list: A. Radiation
B. Conduction
C. Release
D. Convection
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many forms of the transfer of energy are shown in the diagram?
Choice list: A. 3
B. 4
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many stages are there in the process of boiling water?
Choice list: A. 3
B. 6
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the transfer of thermal energy between particles of matter that are touching?
Choice list: A. Steaming
B. Radiation
C. Convection
D. Conduction
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which process emits heat, causing the pot and water to warm?
Choice list: A. convection
B. precipitation
C. radiation
D. conduction
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
material that allows little if any conduction of thermal energy
Choice list: A. conduction
B. thermal conductor
C. convection
D. thermal insulator
E. radiation
F. convection current
G. density
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Conduction is usually slowest in
Choice list: A. gases.
B. solids.
C. liquids.
D. flames.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
transfer of thermal energy by waves that can travel through space
Choice list: A. conduction
B. thermal conductor
C. convection
D. thermal insulator
E. radiation
F. convection current
G. density
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
<image>
Which of the following materials is a thermal insulator?
Choice list: A. plastic
B. iron
C. copper
D. steel
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
flow of particles in a fluid due to differences in temperature and density
Choice list: A. conduction
B. thermal conductor
C. convection
D. thermal insulator
E. radiation
F. convection current
G. density
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
<image>
<image>
In which substance can thermal energy be transferred by convection?
Choice list: A. air
B. sand
C. wood
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Thermal energy is transferred through the ocean by
Choice list: A. currents.
B. waves.
C. winds.
D. tides.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
material that is good at transferring thermal energy by conduction
Choice list: A. conduction
B. thermal conductor
C. convection
D. thermal insulator
E. radiation
F. convection current
G. density
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
amount of mass in a given volume of matter
Choice list: A. conduction
B. thermal conductor
C. convection
D. thermal insulator
E. radiation
F. convection current
G. density
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
<image>
Matter is not needed for the transfer of thermal energy by
Choice list: A. conduction.
B. convection.
C. radiation.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
transfer of thermal energy between particles of matter that are touching
Choice list: A. conduction
B. thermal conductor
C. convection
D. thermal insulator
E. radiation
F. convection current
G. density
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
transfer of thermal energy by particles moving through a fluid
Choice list: A. conduction
B. thermal conductor
C. convection
D. thermal insulator
E. radiation
F. convection current
G. density
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Conduction occurs when particles of matter flow.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Insulation can keep a house cool on a hot day.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Thermal energy is always transferred from cooler to warmer objects.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Land and sea breezes are examples of convection currents.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Only hot objects radiate thermal energy.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
A pot resting on a hot stovetop heats up because of
Choice list: A. convection.
B. conduction.
C. radiation.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Your hand feels cold when you hold an ice cube because
Choice list: A. the ice radiates cold to your hand.
B. the ice conducts cold to your hand.
C. your hand cools down by convection.
D. your hand transfers thermal energy to the ice.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
In which of the following materials does conduction occur most quickly?
Choice list: A. iron
B. wood
C. plastic
D. oxygen
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Examples of thermal insulators include
Choice list: A. down feathers.
B. Styrofoam.
C. air.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
The transfer of thermal energy by convection occurs only in
Choice list: A. gases.
B. solids.
C. fluids.
D. liquids.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Thermal energy is transferred throughout the ocean by
Choice list: A. radiation.
B. conduction.
C. thermal conductors.
D. convection currents.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
A sea breeze blows
Choice list: A. toward the land.
B. toward the sea.
C. only at night.
D. during both day and night.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Conduction occurs only between particles that collide.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Wood is an example of a good thermal conductor.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Home insulation prevents the transfer of cold into the house.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Warmer air rises because it is less dense than cooler air.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
All objects radiate thermal energy.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Convection currents carry thermal energy from the sun to Earth.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Fluid particles with more energy have greater density.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Metals are excellent thermal conductors because they have freely moving electrons.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
A land breeze is an example of a convection current.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Thermal energy is transferred from a space heater to a person in front of it by conduction.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which label shows the wavelength of this wave?
Choice list: A. T
B. D
C. N
D. M
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
By what letter is the crest represented in the diagram?
Choice list: A. L
B. H
C. S
D. W
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which label refers to the trough?
Choice list: A. L
B. S
C. K
D. H
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What do you call letters W, S and L?
Choice list: A. PERIOD
B. DOUBLE PERIOD
C. AMPLITUDE
D. HALF PERIOD
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Select a period in the diagram.
Choice list: A. S
B. W, S AND L
C. K OR H
D. W AND L
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which label depicts the crest?
Choice list: A. E
B. V
C. T
D. N
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which letter corresponds to the measurement from the equilibrium point to the crest point?
Choice list: A. X
B. S
C. IT IS NOT SHOWN.
D. CANNOT BE DETERMINED.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
By what letter is the wave crest represented in the diagram?
Choice list: A. S
B. U
C. N
D. R
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Identify one wave period.
Choice list: A. H
B. S
C. R
D. U
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Trough means low, where is the wave trough in this picture?
Choice list: A. N
B. K
C. S
D. R
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
By what letter is the elevation represented in the diagram?
Choice list: A. P
B. E
C. F
D. V
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which label shows the amplitude of the wave?
Choice list: A. P
B. V
C. E
D. F
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is P in this image of waves?
Choice list: A. WAVELENGTH
B. AMPLITUDE
C. CREST
D. TROUGH
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which letter represents a crest?
Choice list: A. P
B. V
C. F
D. E
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is the highest point of the wave called?
Choice list: A. length
B. amplitude
C. trough
D. crest
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
If the bottom of the wave is called a trough, then what is the top of the wave called?
Choice list: A. trough
B. dashed line
C. orange line
D. crest
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many crests are on that wave?
Choice list: A. 3
B. 4
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many wavelengths are pictured?
Choice list: A. 4
B. 3
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What would happen to if the crests are further apart?
Choice list: A. It would become smaller
B. It would stay the same
C. It would become bigger
D. It would become zero
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What does the letter a represent?
Choice list: A. amplitide
B. high frequency
C. low frequency
D. wavelength
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the part above the center of the wave called?
Choice list: A. Equator
B. Trough
C. Crest
D. Wavelength
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which label identify the height of a wave?
Choice list: A. Crest
B. Amplitude
C. Wave length
D. Trough
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many wave lengths are depicted in the diagram?
Choice list: A. 2
B. 5
C. 4
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which of the following shows the distance between two adjacent waves?
Choice list: A. trough
B. wavelength
C. amplitude
D. crest
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How is the length of a wave calculated?
Choice list: A. By measuring the distance between two corresponding points on adjacent waves.
B. by measuring the distance between the crest and the resting position
C. By measuring the direction of wave motion
D. By measuring the distance between the crest and the through
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What are the maximum and minimum values called in a transverse wave?
Choice list: A. Length and Amplitude
B. Crest and Trough
C. Density and Trough
D. Crest and Length
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many crests and trough make one complete cycle of wave signal?
Choice list: A. 1 crest and 1 trough
B. 1 crest and 2 troughs
C. 2 crests and 1 trough
D. 2 crest and 2trough
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many waves can be seen on the top of the horizontal line?
Choice list: A. 3
B. 5
C. 7
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
It has lower density and in the negative direction of disturbance.
Choice list: A. crest
B. wave
C. amplitude
D. Trough
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What is the measurement from the equilibrium position of particles or magnetic fields to the crest called?
Choice list: A. frequency
B. amplitude
C. wave length
D. trough
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
From the diagram, identify what does (D) represent.
Choice list: A. trough
B. crest
C. wavelength
D. amplitude
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is the distance between A and b?
Choice list: A. wavelength
B. A + D
C. C
D. D
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
In the diagram, how many upward curves are there?
Choice list: A. 3
B. 0
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
From which points do you measure a wavelength?
Choice list: A. A to E
B. B to F
C. D to H
D. C to G
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
From the diagram, how many full wavelengths are there?
Choice list: A. 1
B. 4
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many peaks are there in the wave?
Choice list: A. 4
B. 3
C. 5
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What does point D to point H measure?
Choice list: A. Wavelength
B. Crest
C. Amplitude
D. Trough
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What kind of wave is depicted in the diagram shown below?
Choice list: A. transverse wave
B. longitudinal  wave
C. wavelength
D. amplitude
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
It is One half the full extent of a vibration, oscillation, or wave
Choice list: A. wavelength
B. chart
C. Amplitude
D. time
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
From the diagram, how many full wavelengths are there?
Choice list: A. 2
B. 4
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many wave crests are present in the diagram?
Choice list: A. 3
B. 2
C. 1
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Does the amplitude of a wave affect its wavelength?
Choice list: A. Sometimes
B. Intermittently
C. No
D. Yes
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What happens when amplitude increases?
Choice list: A. Nothing happens
B. Wavelength remains same
C. Wavelength decreases
D. Wavelength increases
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the measurement from the resting position of particles or magnetic fields to the wave crest called?
Choice list: A. wave crest
B. amplitude
C. wavelength
D. wave height
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What Greek letter represents wavelength?
Choice list: A. Lambda
B. Beta
C. Gamma
D. Alpha
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
According to the diagram, how is this curve's wavelength measured?
Choice list: A. From one wave crest to the next one
B. The amplitude
C. From wave trough to the next wave trough
D. The wave height
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Where is a wave trough located?
Choice list: A. Above the wave crest.
B. At the bottom of the amplitude.
C. At the bottom of the wave height.
D. At the top of the wave height.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many parts of an analog signal is shown in the diagram?
Choice list: A. 6
B. 3
C. 5
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many wave crests are shown in the diagram?
Choice list: A. 4
B. 3
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What would happen if there is a decrease in wavelength?
Choice list: A. wave frequency is constant
B. wave frequency increases
C. wave frequency is halved
D. wave frequency decreases
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
This is the height of the wave.
Choice list: A. Amplitude
B. Wavelength
C. Crest
D. Phase
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many arrows can you see in the illustration?
Choice list: A. 5
B. 3
C. 4
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the measurement from the wave trough to wave crest called?
Choice list: A. amplitude
B. wavelength
C. oscillation
D. frequency
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which number corresponds to amplitude?
Choice list: A. 4
B. 3
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which arrow shows the wave both at its highest and its lowest?
Choice list: A. 1
B. 3
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many wave cycles are shown in this diagram?
Choice list: A. 4
B. 3
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which number corresponds to the amplitude of this wave?
Choice list: A. 2
B. 3
C. 4
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
This is called the amplitude of the wave.
Choice list: A. 4
B. 3
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Wavelength is the distance between two corresponding points on adjacent waves: Crest and Trough. Crest is having the amplitude in positive direction while the Trough has the amplitude with negative direction. From the explanation, what is number 4?
Choice list: A. crest
B. amplitude
C. wavelength
D. trough
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
From the diagram, what point comes after reaching crest?
Choice list: A. elevation
B. amplitude
C. wavelength
D. trough
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
From the diagram, how many troughs are there?
Choice list: A. 1
B. 2
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many trough points are shown in the diagram?
Choice list: A. 2
B. 4
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is the maximum distance the particles of a medium move from their resting position when a wave passes through?
Choice list: A. Crest
B. Amplitude
C. Trough
D. Elevation
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What is the measurement from the resting position of particles or magnetic fields to the wave crest called?
Choice list: A. elevation
B. amplitude
C. wavelength
D. trough
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
In the diagram, which color represents the wave with the shortest wavelength?
Choice list: A. Green
B. Blue
C. Red
D. All three waves have equal wavelengths.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the Trough?
Choice list: A. -1 cm
B. -2 cm
C. 1 cm
D. 0 cm
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What is the variance on each side of the graph?
Choice list: A. 6
B. 2
C. 8
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many crests are found in the diagram of waves?
Choice list: A. 4
B. 1
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the name of the highest part of the wave?
Choice list: A. Amplitude
B. Equilibrium
C. Crest
D. Trough
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is the lowest part of the transverse wave called?
Choice list: A. crest
B. trough
C. amplitude
D. equilibrium
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
From the diagram, after reaching the highest point 'crest', what point does it reach next?
Choice list: A. wave
B. trough
C. amplitude
D. wavelength
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many crests are in the diagram below?
Choice list: A. 2
B. 4
C. 3
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How do you find the amplitude of a wave?
Choice list: A. It is the length of the wave.
B. It is the length multiplied by the width of the wave.
C. It is the height of the wave.
D. It is the width of the wave.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What do you call the time required for two successive wave crests to pass a fixed point?
Choice list: A. Wave Amplitude
B. Wavelength
C. Wave Frequency
D. Wave Period
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What is the measurement between two sequential crests called?
Choice list: A. amplitude
B. oscillation
C. period
D. frequency
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Identify the Amplitude
Choice list: A. X
B. S
C. Y
D. X
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Identify the crest
Choice list: A. V
B. E
C. L
D. T
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Identify phase
Choice list: A. 0
B. T
C. U
D. Y
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The less compressed particles of matter become in a longitudinal wave, the greater the waves amplitude.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
In a longitudinal wave, amplitude is a measure of
Choice list: A. how many waves pass a fixed point each second.
B. how close together particles of the medium become.
C. how quickly the wave travels a given distance.
D. how far apart adjacent compressions are.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The distance between two adjacent compressions of a longitudinal wave is its wavelength.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
If two waves have the same amplitude, the wave with more energy is the wave with the
Choice list: A. shorter wavelength.
B. lower frequency.
C. denser medium.
D. slower spee
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
The frequency of a wave is the same as the frequency of the vibrations that caused the wave.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
If two waves have the same speed, the wave with a higher frequency must have a
Choice list: A. shorter wavelength.
B. longer wavelength.
C. greater amplitude.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Wave speed is a product of
Choice list: A. wavelength and frequency.
B. wavelength and amplitude.
C. frequency and amplitude.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Wave speed measures the same thing as wave frequency.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Wavelength equals wave speed multiplied by wave frequency.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
What is the frequency of a wave that has a wavelength of 2 m and a speed of 2 m/s?
Choice list: A. 4 Hz
B. 2 Hz
C. 1 Hz
D. 12 Hz
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
The resting position of particles in a longitudinal wave is where the particles are most spread out.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
A wave caused by a disturbance with greater energy has greater amplitude.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
If you know the speed and wavelength of a wave, you can calculate its frequency.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Waves generally travel most slowly in gases.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
A wave with a higher frequency always has a greater speed than a wave with a lower frequency.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
One measure of wave size is wave frequency.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Measures of wave size include
Choice list: A. wavelength.
B. wave amplitude.
C. wave frequency.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
The resting position of a transverse wave is called a trough.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The amplitude of a transverse wave is the distance between
Choice list: A. two adjacent crests.
B. two adjacent troughs.
C. a crest and a trough.
D. a crest and the resting position.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
What is the speed of a wave that has a wavelength of 0.5 meters and a frequency of 2 waves per second?
Choice list: A. 14 m/s
B. 1 m/s
C. 4 m/s
D. 10 m/s
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
If you know only a waves amplitude and wavelength, you can calculate its speed.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Wave amplitude depends on
Choice list: A. wavelength.
B. wave speed.
C. wave energy.
D. wave frequency.
E. wave energy of the original disturbanc
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Wave speed and wavelength have an inverse relationship.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
A tsunami is an ocean wave with an unusually great amplitude.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
When one wave passes a fixed point every second, the frequency of the waves is
Choice list: A. 0.1 Hz.
B. 1 Hz.
C. 10 Hz.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Assume that a wave has a fixed speed. If the frequency of the wave increases, its wavelength
Choice list: A. increases.
B. decreases.
C. does not change.
D. may or may not change.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The speed of waves depends on their
Choice list: A. wavelength.
B. frequency.
C. medium.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
maximum distance the particles of a medium move from their resting position
Choice list: A. hertz
B. wavelength
C. wave amplitude
D. resting position
E. wave frequency
F. crest
G. wave speed
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
number of waves that pass a fixed point in a given amount of time
Choice list: A. hertz
B. wavelength
C. wave amplitude
D. resting position
E. wave frequency
F. crest
G. wave speed
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
<image>
how far a wave travels in a given amount of time
Choice list: A. hertz
B. wavelength
C. wave amplitude
D. resting position
E. wave frequency
F. crest
G. wave speed
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
<image>
highest point reached by particles of the medium in a transverse wave
Choice list: A. hertz
B. wavelength
C. wave amplitude
D. resting position
E. wave frequency
F. crest
G. wave speed
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
<image>
<image>
distance between two corresponding points on adjacent waves
Choice list: A. hertz
B. wavelength
C. wave amplitude
D. resting position
E. wave frequency
F. crest
G. wave speed
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
location of particles of the medium in the absence of a wave
Choice list: A. hertz
B. wavelength
C. wave amplitude
D. resting position
E. wave frequency
F. crest
G. wave speed
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
SI unit for wave frequency
Choice list: A. hertz
B. wavelength
C. wave amplitude
D. resting position
E. wave frequency
F. crest
G. wave speed
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What nm are gamma rays located based on the diagram?
Choice list: A. 0.0001nm
B. 1000 nm
C. 1 cm
D. 0.01 nm
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which part of the spectrum are humans capable of seeing?
Choice list: A. gamma rays
B. Visible light
C. xrays
D. infrared
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which form of electromagnetic radiation has the shortest wavelength but the most energy?
Choice list: A. Ultraviolet
B. Radio waves
C. Visible light
D. Gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many kind of rays are described in the diagram?
Choice list: A. 5
B. 3
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
If something were visible at 210 nm, what light would that be?
Choice list: A. ultra-violet
B. xray
C. gamma ray
D. infrared
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What kind of rays come from the lowest frequency wavelength?
Choice list: A. Gamma
B. Infrared
C. Microwave
D. Radio
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What is between Infrared and X-ray?
Choice list: A. Ultraviolet
B. Radio
C. Microwave
D. Gamma-Ray
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which is the largest type of wavelength?
Choice list: A. Microwave
B. Gamma-ray
C. Infrared
D. Radio
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
According to the diagram, how many light(s) appear between 5000K to 300,000,000K degrees?
Choice list: A. 3
B. 4
C. 1
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How long are radio wavelengths?
Choice list: A. 800nm or a single cell
B. 1mm or a pin head
C. 10cm or a hand width
D. 0.1mm or a human hair
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many types of rays are there?
Choice list: A. 8
B. 6
C. 7
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the wavelength of radio waves?
Choice list: A. 10^-2 meters
B. 10^-8 meters
C. 10^-5 meters
D. 10^3 meters
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many centimeters is the smallest radio wave?
Choice list: A. 100
B. 1000
C. 0.1
D. 10
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What has the lowest wavelength on the chart?
Choice list: A. Microwave
B. Radio
C. Visible
D. X-Ray
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which of these can be seen by the human eye?
Choice list: A. Gamma rays
B. Visible light
C. Infrared
D. Radio waves
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What is the wavelength in centimeters for microwaves?
Choice list: A. 1
B. 10^2
C. 10^-2
D. 10^4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which of the following is the shortest wavelength?
Choice list: A. Gamma ray
B. Infrared
C. X-ray
D. Radio
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What happens to the energy as the wavelength increases?
Choice list: A. It increases
B. It decreases
C. It stays the same
D. It increases rapidly
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What electromagnetic wave lies between UV and gamma rays?
Choice list: A. Visible light
B. Infrared
C. Radio waves
D. X-Rays
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What happens to wavelength as energy increases?
Choice list: A. Wavelength stays the same
B. Wavelength decreases
C. Wavelength increases
D. Wavelength varies
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many are rays in this diagram?
Choice list: A. 2
B. 5
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the shortest wavelength for x-rays?
Choice list: A. 0.01 nm
B. 1 cm
C. 10 nm
D. 1000 nm
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which has the longest wavelength?
Choice list: A. Ultraviolet
B. Gamma Ray
C. Microwave
D. Infrared
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many types of rays form an electromagnetic spectrum?
Choice list: A. 3
B. 7
C. 6
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which of these is true the shorter the wavelength?
Choice list: A. Lower energy
B. Higher energy
C. Higher amplitude
D. Lower frequency
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which wave has the highest energy?
Choice list: A. X-ray
B. gamma ray
C. Radio
D. Ultraviolet
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What do you call waves that have a frequency of 10^15 Hz?
Choice list: A. Gamma ray
B. X ray
C. Visible Light
D. Radio
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
That is the name of the wave that is in-between Gamma ray and Ultraviolet light?
Choice list: A. Radio wave
B. Infrared
C. Visible light
D. X-ray
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many Types of wavelengths exist in the electromagnetic spectrum?
Choice list: A. 3
B. 6
C. 7
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What comes after microwave?
Choice list: A. x-ray
B. radio
C. gamma ray
D. visible
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What range covers x-rays?
Choice list: A. 1cm-1m
B. 0.01nm - 10nm
C. 400nm-600nm
D. 0.01nm-100nm
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What electromagnetic wave type lies between visible light and radio waves?
Choice list: A. Infrared
B. X-Rays
C. Gamma
D. UV
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What ray is between the x-ray and infrared?
Choice list: A. UV ray
B. none
C. radiowave
D. gamma ray
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the shortest wavelength for x-rays?
Choice list: A. 10 nm
B. 0.01 nm
C. 1 cm
D. 0.01 cm
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which rays are sound rays?
Choice list: A. Gamma
B. Radio
C. Xrays
D. Infrared
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Radio waves have the least amount of energy of all electromagnetic waves.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which electromagnetic waves are used for cell phone signals?
Choice list: A. X rays
B. microwaves
C. gamma rays
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Visible light has higher-frequency waves than ultraviolet light.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Which choice lists electromagnetic waves in the correct sequence from higher to lower frequencies?
Choice list: A. microwaves, infrared light, visible light
B. ultraviolet light, X rays, gamma rays
C. X rays, ultraviolet light, visible light
D. radio waves, microwaves, infrared light
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Cell phone transmissions are carried by microwaves.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Electromagnetic waves that have the least amount of energy are
Choice list: A. radio waves.
B. infrared light.
C. visible light.
D. ultraviolet light.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
What color does the shortest wavelength of visible light appear to the human eye?
Choice list: A. red
B. yellow
C. orange
D. violet
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Radar stands for radio detection and recovery.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Visible light consists of a very wide range of wavelengths.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
X rays are used for
Choice list: A. tracking storms.
B. killing bacteria.
C. screening luggage at airports.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
You should protect your skin from ultraviolet light even on cloudy days.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
The only use of X rays is to make images of bones and teeth inside the body.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Gamma rays cannot pass through bones and teeth.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Gamma rays can be used to destroy cancer cells.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Radar is used for tracking storms.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Ultraviolet light has shorter wavelengths than visible light.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which of the following choices lists electromagnetic waves from lower to higher frequencies?
Choice list: A. radio waves, infrared light, microwaves
B. ultraviolet light, infrared light, X rays
C. infrared light, ultraviolet light, gamma rays
D. visible light, microwaves, ultraviolet light
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Television broadcasts cannot pass through the ionosphere.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Which electromagnetic waves have a wavelength about as wide as the nucleus of an atom?
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Compared with FM radio broadcasts, AM radio broadcasts can
Choice list: A. carry more information.
B. be heard more clearly.
C. pass through the ionosphere.
D. travel to more distant receivers.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Television broadcasts encode pictures with amplitude modulation.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Television broadcasts encode pictures by changing the
Choice list: A. frequency of radio waves.
B. amplitude of radio waves.
C. wavelength of radio waves.
D. speed of radio waves.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Infrared light is used to sterilize surgical instruments.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
X rays cannot pass through lead.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which type of electromagnetic waves are used for radar?
Choice list: A. ultraviolet waves
B. radar waves
C. microwaves
D. X rays
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Visible light with the longest wavelength appears to be
Choice list: A. violet.
B. green.
C. blue.
D. re
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Uses of ultraviolet light include
Choice list: A. killing bacteri
B. sterilizing surgical instruments.
C. making vitamin D by the skin.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
electromagnetic waves with the greatest energy
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. microwaves
E. electromagnetic spectrum
F. visible light
G. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
<image>
full range of wavelengths of electromagnetic radiation
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. microwaves
E. electromagnetic spectrum
F. visible light
G. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
<image>
electromagnetic waves with wavelengths between infrared and ultraviolet light
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. microwaves
E. electromagnetic spectrum
F. visible light
G. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
<image>
<image>
light with the shortest wavelengths
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. microwaves
E. electromagnetic spectrum
F. visible light
G. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
electromagnetic waves with the longest wavelengths
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. microwaves
E. electromagnetic spectrum
F. visible light
G. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
light with the longest wavelengths
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. microwaves
E. electromagnetic spectrum
F. visible light
G. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
radio waves with the highest frequencies
Choice list: A. radio waves
B. infrared light
C. ultraviolet light
D. microwaves
E. electromagnetic spectrum
F. visible light
G. gamma rays
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which letter indicates a double concave lens?
Choice list: A. N
B. D
C. S
D. F
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Identify the double concave lens
Choice list: A. S
B. N
C. D
D. X
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which label indicates the plano-concave part in the diverging lens?
Choice list: A. N
B. M
C. S
D. A
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What three parts make up converging?
Choice list: A. NEGATIVE MENISCUS
B. PLANOCONCAVE
C. BICONVEX, PLANOCONVEX, AND POSITIVE MENISCUS
D. BICONCAVE
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which label marks a double convex lens?
Choice list: A. K
B. U
C. S
D. C
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which is the convex lens?
Choice list: A. S
B. U
C. L
D. K
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which illustration shows a plano-convex lens?
Choice list: A. S
B. U
C. E
D. W
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which label marks a double concave lens?
Choice list: A. D
B. W
C. U
D. S
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What does the label Y represent?
Choice list: A. BLIND SPOT
B. VANISHING POINT
C. DISTANCE
D. FOCUS
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Please identify the point labelled Y.
Choice list: A. FOCAL POINT
B. CONVEX POINT
C. FOCUS POINT
D. LENS POINT
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which label indicates the focus of the concave lens?
Choice list: A. J
B. F
C. E
D. K
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Identify the lens
Choice list: A. D
B. L
C. K
D. C
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What is the Telescope part Labeled L?
Choice list: A. SECONDARY MIRROR
B. EYEPIECE
C. PRIMARY MIRROR
D. IMAGE
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the primary mirror?
Choice list: A. A
B. S
C. X
D. L
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents the eyepiece?
Choice list: A. L
B. S
C. A
D. X
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which letter corresponds to the part that reflects light into the eyepiece?
Choice list: A. A
B. S
C. X
D. L
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which letter to closest to the point labeled “S”?
Choice list: A. C
B. X
C. A
D. L
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which label shows the Lens?
Choice list: A. J
B. D
C. A
D. M
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which label stands for the lens?
Choice list: A. J
B. M
C. A
D. D
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
The label A represents the title of this diagram. What would be a good title for the diagram?
Choice list: A. WAVELENGTHS OF SPACE OBJECTS
B. ANGLE OF INCIDENCE
C. REFRACTING TELESCOPE
D. NORMAL ANGLE IN TELESCOPE
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What does J represent?
Choice list: A. IMAGE
B. NOTHING
C. LENS
D. EYEPIECE
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which letter depicts the lens?
Choice list: A. A
B. D
C. J
D. M
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Identify the mounting rail
Choice list: A. U
B. E
C. T
D. W
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Identify the scope tube in this picture
Choice list: A. C
B. T
C. W
D. K
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents the mounting rail?
Choice list: A. W
B. K
C. C
D. U
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Where is the scope tube?
Choice list: A. T
B. C
C. W
D. K
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
By what letter is the objective lens represented in the diagram?
Choice list: A. C
B. R
C. F
D. E
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Where is the light in this picture?
Choice list: A. R
B. F
C. E
D. C
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which label refers to the objective lens?
Choice list: A. P
B. K
C. D
D. X
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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<image>
<image>
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<image>
Which letter represents the lens in this telescope?
Choice list: A. P
B. F
C. W
D. E
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which is the eyepiece focal length?
Choice list: A. U
B. X
C. C
D. W
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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<image>
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<image>
Which letter identifies the lens?
Choice list: A. R
B. M
C. H
D. Y
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
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<image>
Which part is responsible for focusing the image onto another mirror?
Choice list: A. R
B. Y
C. M
D. H
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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<image>
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<image>
Which label stands for the mirror?
Choice list: A. D
B. S
C. BOTH S AND X
D. X
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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<image>
<image>
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<image>
Which mirror reflects the rays coming from mirror S?
Choice list: A. Y
B. K
C. D
D. X
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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<image>
<image>
<image>
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<image>
What is the part of the telescope represented with the letter M?
Choice list: A. FOCUSER
B. MOUNT
C. EYEPIECE
D. OPTICAL TUBE
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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<image>
<image>
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The concave lens has the following characteristics:
Choice list: A. Thin edges with a thin middle area
B. Thicker egdes with a thinner middle area
C. Thin edges with a thick middle area
D. Thicker edges with a thick middle area
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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<image>
Identify the lens that is used in cameras.
Choice list: A. Plano-convex
B. Diverging meniscus
C. Double convex
D. Double concave
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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<image>
What is a lens that is concave on both sides called?
Choice list: A. convex lens
B. Concave lens
C. Biconcave lens
D. Plano concave lens
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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<image>
<image>
How many types of converging lens are there?
Choice list: A. 4
B. 6
C. 3
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
How many types of diverging lens are there?
Choice list: A. 3
B. 4
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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<image>
<image>
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<image>
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<image>
Biconcave belongs to what type of lens?
Choice list: A. Simple
B. Diverging
C. Compound
D. Converging
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
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<image>
Which of these is not converging?
Choice list: A. biconcave
B. plano-convex
C. positive meniscus
D. biconvex
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What is the widest image shown in the diagram?
Choice list: A. negative meniscus
B. biconvex
C. plano-convex
D. positive meniscus
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What is between the biconvex and positive meniscus?
Choice list: A. Negative meniscus
B. Biconcave
C. Planoconvex
D. Planoconcave
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
How many types of lenses are shown in the diagram?
Choice list: A. 6
B. 5
C. 7
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which of these causes light to converge?
Choice list: A. Double Convex Lens
B. Negative Meniscus Lens
C. Plano-Conclave Lens
D. Double Conclave Lens
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
How many types of lens are there?
Choice list: A. 4
B. 5
C. 3
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Which of these do not converge light?
Choice list: A. double convex lens
B. positive meniscus lens
C. double concave lens
D. plano-convex lens
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
Where is the focal point?
Choice list: A. Over the lines
B. Next to the lines
C. Where the lines are closer
D. Below the lines
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What is the point where the light rays converge called?
Choice list: A. distortion
B. focus
C. concave
D. lens
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
<image>
<image>
What does a concave lens do to light?
Choice list: A. diffract it
B. focus it
C. refract it
D. reflect it
Answer with the option's letter from the given choices directly.

[Assistant] A