sentence
stringlengths
21
624
distractors
sequence
answer
stringlengths
2
32
A predator is an animal that feeds on other animals. **blank** of these is a predator
[ "deer", "cow", "goat" ]
wolf
Calcium is a mineral that helps make your bones and teeth strong. **blank** of these foods is the best source of calcium
[ "candy", "rice", "meat" ]
cheese
**blank** is most likely to cause damage when hitting the roof of a car
[ "rain", "sleet", "snow" ]
hail
A student sorted mineral samples into two groups: dull and shiny. **blank** of the following properties did the student use to sort the mineral samples into groups
[ "cleavage", "color", "streak" ]
luster
**blank** of the following metals will be attracted to a magnet
[ "copper", "gold", "silver" ]
iron
**blank** of the following organisms would most likely get its food energy only from consumers
[ "deer", "grass", "mushroom" ]
hawk
The Sun is the largest body in the solar system. The Sun is a ___ **blank**
[ "moon", "planet", "satellite" ]
star
**blank** of the following processes makes it possible for plants to use energy from sunlight to produce their own food
[ "metamorphosis", "pollination", "reproduction" ]
photosynthesis
During **blank** stage of its life cycle does a butterfly spend the most time eating plant leaves
[ "adult", "egg", "pupa" ]
larva
**blank** makes a compass needle point north
[ "electrical", "heat", "light" ]
magnetic
Glaciers are slow-moving sheets of ice found on land. What process occurs **blank** glacial ice is heated to 5° Celsius
[ "evaporation", "freezing", "precipitation" ]
melting
a producer is **blank**
[ "frog", "mushroom", "lizard" ]
grass
**blank** is most responsible for recycling dead plants and animals in an ecosystem
[ "water", "fish", "insects" ]
bacteria
After a rain, a puddle of water remains on a sidewalk. After a day of sunshine, the puddle is gone. **blank** process is most responsible for the disappearance of the puddle
[ "precipitation", "transpiration", "condensation" ]
evaporation
**blank** processes foods into a useable source of energy
[ "circulatory", "nervous", "skeletal" ]
digestive
A student rubs her hands together on a cold winter day. The heat that warms her hands is produced by **blank**
[ "gravity", "light", "magnetism" ]
friction
**blank** will stay the same when it is stretched
[ "shape", "length", "width" ]
mass
water have a definite shape and volume in **blank**
[ "gas", "liquid" ]
solid
**blank** of a plant takes in water and nutrients from the soil
[ "stem", "flower", "leaf" ]
root
**blank** is identified using the sense of smell
[ "color", "temperature", "weight" ]
odor
the major source of energy for food chains is **blank**
[ "water", "air", "grass" ]
sunlight
Some birds fly south in the fall and return in the spring. This is an example of **blank**
[ "camouflage", "hibernation", "growth" ]
migration
**blank** of energy is needed to cut a piece of wood into smaller pieces with a saw
[ "light", "heat", "sound" ]
mechanical
the best conductor of electricity is **blank**
[ "glass", "wood", "plastic" ]
metal
**blank** causes objects to be pulled toward earth
[ "friction", "light", "electricity" ]
gravity
**blank** allows it to bend
[ "color", "mass", "size" ]
flexibility
A ball is thrown up into the air. **blank** force causes the ball to fall to the ground
[ "friction", "magnetism", "electricity" ]
gravity
**blank** is most likely to occur because the air temperature is 90 °f
[ "blinking", "salivating", "shivering" ]
sweating
The energy that is stored in food originally comes from **blank**
[ "air", "soil", "water" ]
sunlight
When two animals live in the same area and depend on the same organism for food, they are **blank**
[ "decomposing", "germinating", "hibernating" ]
competing
**blank** is produced when a guitar string vibrates
[ "chemical", "light", "magnetic" ]
sound
A student rubs his hands together to warm them. His hands get warm due to **blank**
[ "gravity", "magnetism", "sound" ]
friction
**blank** describes how easily electricity travels through it
[ "color", "temperature", "reflectivity" ]
conductivity
pieces of rock material being moved over earth 's surface by water and wind are during **blank**
[ "conduction", "deposition", "revolution" ]
erosion
The main function of a fish's fins is to help the fish **blank**
[ "reproduce", "see", "breathe" ]
move
Green plants get the energy they need to make food from **blank**
[ "water", "air", "soil" ]
sunlight
an example of a nonliving thing is **blank**
[ "bird", "insect", "dog" ]
water
**blank** results in day and night
[ "erosion", "deposition", "revolution" ]
rotation
**blank** is produced when paper is burned
[ "magnetic", "electrical", "chemical" ]
heat
**blank** causes a bicycle to slow down when the brakes are used
[ "electricity", "gravity", "magnetism" ]
friction
**blank** organisms break down and recycle dead plants and animals
[ "predators", "prey", "producers" ]
decomposers
A dog growls when a predator gets close. Growling is an example of **blank** animal behavior
[ "migration", "hibernation", "germination" ]
communication
an example of a life process is **blank**
[ "coloration", "camouflage", "migration" ]
reproduction
There is a shadow under a tree. **blank** form of energy must be present for the shadow to occur
[ "heat", "sound", "mechanical" ]
light
Matter is defined as anything that takes up space and has **blank**
[ "texture", "odor", "color" ]
mass
The hardness, odor, and taste of an object can all be **blank**
[ "measured with a metric ruler", "measured with a spring scale", "observed with a hand lens" ]
observed with the senses
**blank** would absorb the most light on a sunny day
[ "pink", "white", "yellow" ]
black
**blank** causes a soccer ball to fall to the ground after it has been kicked up in the air
[ "erosion", "friction", "magnetism" ]
gravity
Volume and mass are properties of **blank**
[ "friction", "light", "sound" ]
matter
**blank** is common to most living things
[ "flying", "talking", "seeing" ]
reproducing
animals increase during **blank** in size
[ "breathing", "shedding", "repairing" ]
growing
**blank** of organism helps return nutrients from dead plants and animals to the soil
[ "producer", "prey", "predator" ]
decomposer
**blank** occurs when ocean waves drop seashells on a beach
[ "condensation", "classification", "rotation" ]
deposition
**blank** of measurement should be used to describe the mass of an apple
[ "liter", "minute", "meter" ]
gram
**blank** describes the texture of a kitten 's fur
[ "gray", "warm", "long" ]
soft
best classified as a nonrenewable resource is **blank** of the following
[ "Grass", "Sunlight", "Oxygen" ]
Aluminum
**blank** of these warms most of the air, water, and land on Earth
[ "Coal", "Electricity", "Wind" ]
Sunlight
Ice cubes are an example of **blank** form of water
[ "Gas", "Liquid", "Natural" ]
Solid
Most plants begin their life cycle as ___ **blank**
[ "leaves", "flowers", "roots" ]
seeds
Students collect pond water in their beakers. **blank** is the best unit of measurement for the volume of water they collect
[ "Grams", "Meters", "Centimeters" ]
Milliliters
Seeds that remain inactive until the right conditions of light, water, and soil are present are called ___ **blank**
[ "pollen", "flowers", "recycled" ]
dormant
A bicyclist rides on a flat road and then stops pedaling but does not apply the brakes. The bicycle stops because of ___ **blank**
[ "balance", "attraction", "magnetism" ]
friction
**blank** of these senses lets dora know when a skunk has been close to her house
[ "Taste", "Touch", "Hearing" ]
Smell
In winter, the arctic fox has white fur. In summer, its fur changes color to brown and gray. The change in fur color helps the arctic fox to ___ **blank**
[ "run", "mate", "hibernate" ]
hide
plants need **blank** of the following to make their own food
[ "Flowers", "Bacteria", "Oxygen" ]
Sunlight
**blank** of a sunflower plant absorbs water and nutrients
[ "Stems", "Leaves", "Flowers" ]
Roots
**blank** of these can make a shadow on the ground during the day
[ "River", "Air", "Thunder" ]
Cloud
All animals need air to survive. An insect gets air through tiny holes on the sides of its body. A whale breathes through a blow hole. **blank** body part do fish use to breathe
[ "skin", "nose", "mouth" ]
gills
**blank** of the following is broken down in the body to release energy
[ "water", "salt", "oxygen" ]
sugar
All living things contain **blank** element
[ "helium", "sodium", "copper" ]
carbon
not a form of precipitation is **blank** of the following
[ "Hail", "Rain", "Snow" ]
Wind
the best conductor of electricity is **blank**
[ "Wood", "Stone", "Plastic" ]
Metal
**blank** is most responsible for the uneven heating of the air in the atmosphere
[ "radiation", "conduction", "condensation" ]
convection
When a dog sees a cat, a message travels from the dog's eyes to the dog's **blank**
[ "nose", "paws", "muscles" ]
brain
**blank** helps people understand what makes up white light
[ "Barometer", "Microscope", "Thermometer" ]
Prism
A black bear eats many different things, including grasses, roots, and berries. It also eats insects, fish, and other small animals. **blank** of these BEST describes a black bear
[ "Carnivore", "Herbivore", "Producer" ]
Omnivore
Copper wire is often wrapped in plastic. Plastic material is a good **blank**
[ "electromagnet", "circuit", "current" ]
insulator
A wild turkey's forest community includes **blank**
[ "rainfall", "soil", "wind" ]
insects
**blank** of these is needed in all stages of the butterfly 's life cycle
[ "Wings", "Eyes", "Soil" ]
Air
The teeth of a carnivore are MOSTLY - **blank**
[ "rounded", "wide", "flat" ]
pointed
Having dry, hot weather for a long time can cause a **blank**
[ "thunderstorm", "tornado", "flood" ]
drought
All of the populations of species in an area make up a **blank**
[ "region", "niche", "family" ]
community
**blank** of scientist would study the relationship between simple machines and energy
[ "chemist", "biologist", "geologist" ]
physicist
**blank** has six-sided transparent crystals that will scratch glass
[ "sulfur", "calcite", "feldspar" ]
quartz
**blank** serve as evidence for a scientific theory
[ "guesses", "opinions", "arguments" ]
observations
The temperature in a hot star is high enough to pull electrons away from atoms. **blank** state of matter results from this process
[ "gas", "solid", "liquid" ]
plasma
an animal belong to **blank** if it lays eggs and has scales and gills
[ "amphibian", "bird", "reptile" ]
fish
**blank** can dry out plants and cause wildfires
[ "earthquake", "flood", "tornado" ]
drought
A rock sample will most likely contain **blank**
[ "plants", "water", "wood" ]
minerals
the shadow of the school 's flagpole will be the shortest at **blank**
[ "sunrise", "midafternoon", "sunset" ]
noon
a source of light is **blank** of the following
[ "Earth", "planet", "moon" ]
star
**blank** of the following properties provides the best way to identify a mineral
[ "shape", "size", "temperature" ]
hardness
In the first half of this century, **blank** technology allowed people, for the first time, to work IN the city but live OUTSIDE the city
[ "airplanes", "telephones", "television" ]
automobiles
an example of a human-made product is **blank**
[ "tomato", "wheat", "coal" ]
cake
**blank** live part of their lives in water and part on land , and go through metamorphosis
[ "reptiles", "birds", "mammals" ]
amphibians
a consumer is **blank** of the following
[ "grain", "vegetable", "tree" ]
rabbit
during **blank** below does water vapor change to liquid water
[ "melting", "freezing", "evaporation" ]
condensation
A caterpillar changing into a butterfly is an example of **blank**
[ "instinct", "duplication", "reproduction" ]
metamorphosis
Gavin has two rocks. Both rocks are made up entirely of the same mineral. **blank** other property of his two rocks is most likely to be the same
[ "size", "shape", "weight" ]
color
Some plants grow only in specific places in the world. Some cacti, for example, grow only in deserts. Which of the following is most important in determining **blank** a plant can grow and survive
[ "animals", "tides", "wind" ]
climate