id
stringlengths
2
7
question_stem
stringlengths
1
333
choices
sequence
answerKey
stringclasses
4 values
fact1
stringlengths
13
150
humanScore
float32
0.8
1
clarity
float32
0
2
turkIdAnonymized
stringlengths
10
10
8-95
Humans are
{ "text": [ "Air", "Sunlight", "Water", "Plants" ], "label": [ "A", "B", "C", "D" ] }
C
animals require water for survival
1
0.8
cee82219a0
7-909
As I search among classifications, its groupings of materials, and properties, I may be looking for
{ "text": [ "hydrogen peroxide", "aspirin", "vitamins", "petroleum jelly." ], "label": [ "A", "B", "C", "D" ] }
C
classifying means grouping materials by their properties
0.8
0.6
fd3aeffe8c
9-417
if a person remotely controls a machine to do something, which of these is required?
{ "text": [ "a thing for information", "these are all incorrect", "a meal to eat", "a floral plant life" ], "label": [ "A", "B", "C", "D" ] }
B
a computer controls a robot
1
1.6
cf7109905e
8-483
Thick feathers can be used for
{ "text": [ "climbing, cracking nuts and peeling fruit skins.", "courtship and looking for food", "killing prey, preening and feeding young", "staying weatherproof, flexible and free of bacteria" ], "label": [ "A", "B", "C", "D" ] }
D
thick feathers can be used for keeping warm
1
1.8
5ac34b743b
9-737
Disposition is the process of forming what?
{ "text": [ "Crystals", "Rocks", "Salactites", "Gemstones" ], "label": [ "A", "B", "C", "D" ] }
C
stalactites are formed by deposition
0.8
1.6
6fcf2544e8
7-167
A balloon is filled with Helium, and then is opened and pressed up to someone's mouth to make a voice high, why does it do this?
{ "text": [ "gas fills the new area", "gas easily is dispersed", "gas moves around freely", "gas is lighter than air" ], "label": [ "A", "B", "C", "D" ] }
A
when a gas in an open container evaporates, that gas spreads out into the air
1
1.2
b356d338b7
608
Webbed feet aid in what
{ "text": [ "penguins laying eggs on ice", "fish hiding in coral reefs", "gulls dive bombing fish from the sea", "ducks chasing prey underwater" ], "label": [ "A", "B", "C", "D" ] }
D
webbed feet are used for moving faster through water by aquatic animals
0.8
1.4
a8ecf6eaeb
7-754
The melting point of a duck would be
{ "text": [ "higher than the body temps", "lower than a refrigerator", "higher than the sun's", "lower than a freezer's" ], "label": [ "A", "B", "C", "D" ] }
A
melting point means temperature at which a solid melts
1
1
b356d338b7
1827
What shows that the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side?
{ "text": [ "summer in the USA, winter in Australia", "snow will be on the North Pole instead of the South Pole", "seasonal changes take place", "some countries are warmer than others" ], "label": [ "A", "B", "C", "D" ] }
A
the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side
0.8
1.4
b356d338b7
7-1070
If a creature wishes to hunt, which senses would be avoided?
{ "text": [ "sight", "smell", "crawling", "hearing" ], "label": [ "A", "B", "C", "D" ] }
C
smell is used for finding food by some animals
0.8
0.8
b356d338b7
7-756
Frogs bury themselves in mud in order to
{ "text": [ "retain energy", "bear young", "find food", "take a nap" ], "label": [ "A", "B", "C", "D" ] }
A
An example of hibernation is a frog burying itself in mud
0.8
1.8
b356d338b7
9-869
celestial bodies are known to
{ "text": [ "circle balls of hydrogen", "travel through deep space", "crash into each other", "slingshot around the galaxy" ], "label": [ "A", "B", "C", "D" ] }
A
planets orbit stars
0.8
1.2
dc78319bb0
9-353
Riding a two wheeled human powered vehicle is good for the environment because
{ "text": [ "it runs without fuel", "it helps people stay in shape", "they are cheaper to maintain", "they are more fun to drive" ], "label": [ "A", "B", "C", "D" ] }
A
riding a bike does not cause pollution
1
2
9d751854d9
7-455
If an animal is able to reproduce then
{ "text": [ "that animal has matured", "that animal was impregnated", "that animal was in heat", "that animal was interested" ], "label": [ "A", "B", "C", "D" ] }
A
reproduction occurs during adulthood
0.8
1
b356d338b7
7-243
A kid having a preference is something like
{ "text": [ "he gets bored easily", "he likes having dinner", "he hates eating peas", "he likes blonde girls" ], "label": [ "A", "B", "C", "D" ] }
D
preferences are generally learned characteristics
0.8
0.6
b356d338b7
7-982
Worms are excellent decomposers because
{ "text": [ "they eat a lot of rot", "worms eat dead bodies", "they enjoy eating carcasses and expel waste back to earth", "worms enjoy eating dirt and decay" ], "label": [ "A", "B", "C", "D" ] }
C
decomposition is when a decomposer recycles nutrients from dead organisms to the soil by eating those dead organisms
0.8
0.8
b356d338b7
9-1120
Sickness has the potential to
{ "text": [ "strengthen an organism", "test an organism", "eliminate an organism", "eat an organism" ], "label": [ "A", "B", "C", "D" ] }
C
illness has a negative impact on an organism 's health
0.8
1.8
0d935542d3
8-458
a compass uses iron to locate the northern
{ "text": [ "latitude", "axis", "shoreline", "hemisphere" ], "label": [ "A", "B", "C", "D" ] }
B
the floating arrow on a compass always points towards the north
0.8
1.8
dc78319bb0
7-1085
When geese migrate in the late summer or early autumn, they
{ "text": [ "head to less snowy areas", "prefer to visit florida", "take a scenic route", "travel in small groups" ], "label": [ "A", "B", "C", "D" ] }
A
migration is when animals move themselves from a cooler climate to a warmer climate for the winter
1
1.4
b356d338b7
9-343
What is the result of an object reflecting light toward the eye?
{ "text": [ "Being blurred", "Being Seen", "Blindness", "Glare" ], "label": [ "A", "B", "C", "D" ] }
B
if an object reflects light toward the eye then that object can be seen
1
0.8
6fcf2544e8
8-32
Two animals with similar diets living in the same environments leads to them
{ "text": [ "vying for the same prey", "forming a strong friendship", "moving to disparate environments", "adopting different types of diets" ], "label": [ "A", "B", "C", "D" ] }
A
if two animals eat the same prey then those animals compete for that pey
0.8
1.8
a8ecf6eaeb
9-733
What does mining change?
{ "text": [ "temperatures", "biological environments", "water levels", "atmospheric pressures" ], "label": [ "A", "B", "C", "D" ] }
B
mining changes an ecosystem
0.8
1.4
1e6dc77bb6
7-876
A car engine is a source of heat and therefore needs
{ "text": [ "radiator fluid", "water added", "wiper fluid", "gasoline" ], "label": [ "A", "B", "C", "D" ] }
A
a car engine is a source of heat
1
1.2
b356d338b7
9-1195
A ruler is used for measuring the length of what?
{ "text": [ "distance between cities", "air", "stuff", "motivation" ], "label": [ "A", "B", "C", "D" ] }
C
a ruler is used for measuring the length of an object
1
1
1e6dc77bb6
9-1052
Extinction is the term for an organism which..?
{ "text": [ "Small Population", "Zero Population", "Limited population", "Decreasing Population" ], "label": [ "A", "B", "C", "D" ] }
B
if a population decreases to zero then that organism is extinct
1
1.8
6fcf2544e8
8-14
A student is studying different aspects of science, and today's area is magnetic properties. The student has a magnet, and is testing which sort of objects the magnet will have an attraction to. The student is surprised that the magnet tugs itself towards
{ "text": [ "a plastic cup", "a plaster wall", "a grey stone", "a paper plate" ], "label": [ "A", "B", "C", "D" ] }
C
rocks sometimes contain iron
1
1.6
b356d338b7
833
Which is most likely to cause an animal to shiver?
{ "text": [ "5 degrees celsius", "42 degrees Fahrenheit", "6 degrees Celsius", "8 degrees Celsius" ], "label": [ "A", "B", "C", "D" ] }
A
cold temperatures cause animals to shiver
1
1
64d9056837
7-474
While many habitats support a great variety of life, and deserts are included, many animals
{ "text": [ "freeze in deserts", "starve in deserts", "are abandoned there", "drown in deserts" ], "label": [ "A", "B", "C", "D" ] }
B
a desert environment contains very little food
0.8
0.6
b356d338b7
7-858
Moving your face further from a mirror
{ "text": [ "will make your face appear bigger", "will make your face appear in macro", "will make your wrinkles less obvious", "will make it easier to see your pores" ], "label": [ "A", "B", "C", "D" ] }
C
if an object is close then that object will appear large
0.8
0.8
a8ecf6eaeb
7-409
Special tissues in plants transport minerals throughout the plant such as
{ "text": [ "water", "starch", "spices", "sugar" ], "label": [ "A", "B", "C", "D" ] }
D
special tissues in plants transport minerals throughout the plant
1
1.2
b356d338b7
7-874
The wolf raises his family near a
{ "text": [ "den", "field", "tree", "mother." ], "label": [ "A", "B", "C", "D" ] }
A
animals live and feed near their habitats
1
1.4
0317ce7c33
8-405
something could get wedged during winter if which of these happens?
{ "text": [ "trapped water changes physical form repeatedly", "water flows down a stream", "water drank by a person", "none of these" ], "label": [ "A", "B", "C", "D" ] }
A
cycles of freezing and thawing water cause ice wedging
1
1
cf7109905e
1579
What is an example of the sun being directly overhead at noon?
{ "text": [ "shadows disappear at noon", "the shadows on trees are longest at noon", "sundials can tell time easiest using shadows", "the sun is hottest at noon" ], "label": [ "A", "B", "C", "D" ] }
A
the sun is located directly overhead at noon
0.8
1.4
b356d338b7
1093
What does gravity cause substances on a planet?
{ "text": [ "things to move sideways", "things to be moved upwards", "things to descend to the lowest surface possible", "things to stay in the same place" ], "label": [ "A", "B", "C", "D" ] }
C
gravity causes substances to be pulled down on a planet
0.8
1.2
780a764a2d
9-62
The running of the bulls in mexico is a source of what type of energy for the object?
{ "text": [ "running of bulls", "solar power", "animals", "kinetic" ], "label": [ "A", "B", "C", "D" ] }
D
motion is a source of kinetic energy in an object
1
1.2
52dbc5c7af
8-208
a lighter object hue can lead to what?
{ "text": [ "none of these", "positive charge in electricity", "a bad electric conduction", "ability to see yourself in it better" ], "label": [ "A", "B", "C", "D" ] }
D
as lightness in color of an object increases , the ability of that object to reflect light will increase
0.8
1.2
cf7109905e
7-86
When looking at an eclipse, an important thing to remember is
{ "text": [ "to take a photograph", "to look through a window", "to use hands to shield eyes", "avert eyes at all costs" ], "label": [ "A", "B", "C", "D" ] }
D
looking directly at an eclipse of the Sun causes harm to the eyes
1
2
b356d338b7
9-195
A small volcano under the sea erupts ever four years. After a few centuries, there will be
{ "text": [ "new ground to inhabit", "a large fish eating a tree", "a burst of fire from the future", "a small crack in a tall mountain" ], "label": [ "A", "B", "C", "D" ] }
A
an island is formed by lava cooling on the ocean floor over time
0.8
1.8
b356d338b7
7-950
Putting a cardboard box in a bin instead of the trash can
{ "text": [ "conserve energy for later", "save wild animal species", "keep it from the trash", "reduce the height of landfills" ], "label": [ "A", "B", "C", "D" ] }
D
recycling resources has a positive impact on the environment
0.8
0.8
b356d338b7
9-1083
Spiders catch their prey with
{ "text": [ "a silky thread", "trickery", "seduction", "a flyswatter" ], "label": [ "A", "B", "C", "D" ] }
A
a spider web is used to capture food by spiders
1
1.8
dc78319bb0
336
Which has renewable resources?
{ "text": [ "natural gas formations", "oil well", "plastic bag", "Pacific Ocean" ], "label": [ "A", "B", "C", "D" ] }
D
water is a renewable resource
0.8
2
be7a45e47c
8-50
Which of these would let the most heat travel through?
{ "text": [ "a cotton candy at the store", "the new pair of jeans", "the steel spoon in the cafeteria", "a calvin klein cotton hat" ], "label": [ "A", "B", "C", "D" ] }
C
metal is a thermal conductor
1
1.8
cf7109905e
8-347
The material that makes up iron nails is known as what on the table of elements?
{ "text": [ "Nail.", "Fe", "Copper", "Au" ], "label": [ "A", "B", "C", "D" ] }
B
iron nails are made of iron
0.8
2
bdb4135787
7-248
An example of weathering is
{ "text": [ "a smooth sandy beach", "a smooth river stone", "a tall pine tree", "a large sharp boulder" ], "label": [ "A", "B", "C", "D" ] }
B
weathering means breaking down surface materials from larger whole into smaller pieces by weather
0.8
1.8
b356d338b7
9-1093
Some people put metal tags on their dog's collars, because in darkness, these collars can
{ "text": [ "melt wax", "reflect light", "read books", "stain clothes" ], "label": [ "A", "B", "C", "D" ] }
B
shiny things reflect light
1
2
b356d338b7
1705
What can explain that a body of water is a source of water?
{ "text": [ "a bird sitting in a bird bath", "a child splashing in a tub", "a person drinking from a glass of water", "a deer drinking from a lake" ], "label": [ "A", "B", "C", "D" ] }
D
a body of water is a source of water
1
2
b356d338b7
7-43
Inanimate things may be pollinators such as
{ "text": [ "bees", "birds", "wind", "deer" ], "label": [ "A", "B", "C", "D" ] }
C
pollination is when wind carry pollen from one flower to another flower
0.8
1.4
b356d338b7
94
A person's shadow is smallest at what time?
{ "text": [ "4:00 pm", "8:00 am", "12:30 pm", "6:30 pm" ], "label": [ "A", "B", "C", "D" ] }
C
as a source of light moves directly overhead of an object , the size of the shadow of that object will decrease
0.8
1.6
be7a45e47c
9-1040
The source of a type of energy we use is a
{ "text": [ "planet", "star", "meteor", "rock" ], "label": [ "A", "B", "C", "D" ] }
B
the sun is the source of solar energy called sunlight
0.8
1.8
7189327f06
9-219
if a great water traveler took inventory of their tools, which of these would be in it?
{ "text": [ "a big cooking spoon", "a north facing item", "a big chopping board", "a big iron bender" ], "label": [ "A", "B", "C", "D" ] }
B
a compass is used to navigate oceans
1
1.4
cf7109905e
1111
What contains seeds
{ "text": [ "human.", "whole pumpkin", "soda can", "leaf" ], "label": [ "A", "B", "C", "D" ] }
B
a pumpkin contains seeds
1
2
0317ce7c33
7-708
To have a positive impact on the environment
{ "text": [ "leave lights on", "take shorter showers", "use Styrofoam plates", "take longer showers" ], "label": [ "A", "B", "C", "D" ] }
B
conserving resources has a positive impact on the environment
1
2
a8ecf6eaeb
7-899
If one mineral can scratch another mineral then that other mineral is softer than that one mineral, as can be tested with
{ "text": [ "a diamond and steel", "a rock and glass", "a diamond and agate", "a ruby and salt" ], "label": [ "A", "B", "C", "D" ] }
C
if one mineral can scratch another mineral then that other mineral is softer than that one mineral
1
1.2
b356d338b7
9-632
John, who lives in Minnesota, noticed that the time between sunrise and sunset was the shortest it had been for an entire year. The month was most likely to be
{ "text": [ "July", "January", "September", "April" ], "label": [ "A", "B", "C", "D" ] }
B
the amount of daylight is least in the winter
1
1.8
3f32b550f3
8-407
if a person gets some fruit wine for a gift, how can they measure its volume?
{ "text": [ "they can use a cylinder with unit markings", "none of these", "they can use a tape measure", "they can use a thermometer" ], "label": [ "A", "B", "C", "D" ] }
A
a graduated cylinder is a kind of instrument for measuring volume of liquids or objects
1
2
cf7109905e
7-741
Absorbing sun rays
{ "text": [ "raises the Fahrenheit of an object", "lowers the Celsius of an object", "causes the object to cool", "causes the temperature of the object to descend" ], "label": [ "A", "B", "C", "D" ] }
A
if a substance absorbs solar energy then that substance will increase in temperature
1
2
a8ecf6eaeb
7-420
What did some ancient societies use to reflect light?
{ "text": [ "wood", "plants", "clothing", "rocks" ], "label": [ "A", "B", "C", "D" ] }
D
a mirror is used for reflecting light
0.8
1.2
7189327f06
8-210
To positively impact the environment
{ "text": [ "toss plastic bottles in trash receptacles", "use plastic knives and forks for every meal", "scrap metal from old buildings is processed to be used for new construction", "buy a less fuel efficient car" ], "label": [ "A", "B", "C", "D" ] }
C
recycling nonrenewable resources has a positive impact on the conservation of those resources
0.8
1.6
a8ecf6eaeb
848
A skill some humans have is
{ "text": [ "ten fingers", "vision", "heart beating", "talking" ], "label": [ "A", "B", "C", "D" ] }
D
skills are learned characteristics
1
1.4
7189327f06
9-745
A switch is used to stop the flow of currents which causes Joule heating in
{ "text": [ "thermostat", "solar energy", "magnetic fields", "electrical circuit." ], "label": [ "A", "B", "C", "D" ] }
D
a switch is used to stop the flow of current in an electrical circuit
1
2
3936d56dda
8-451
Birds eat nuts, but sometimes they eat
{ "text": [ "wolves", "bugs", "dogs", "cats" ], "label": [ "A", "B", "C", "D" ] }
B
birds sometimes eat insects
1
2
0317ce7c33
8-222
air masses are pushed by westerlies but stopped by
{ "text": [ "gravity", "meandering air currents", "currents", "sunlight" ], "label": [ "A", "B", "C", "D" ] }
B
jet streams may deflect the air masses moved by the prevailing westerlies
0.8
1.6
dc78319bb0
1102
An example of conservation is avoiding
{ "text": [ "oil", "sunlight", "fats", "tea" ], "label": [ "A", "B", "C", "D" ] }
A
An example of conservation is not using fossil fuel
0.8
1.8
474293f37c
8-480
After a long winter's hibernation, a female bear and her two cubs exit their cave and begin to search for food. One place they check is
{ "text": [ "dry sticks", "dirt pile", "berry bushes", "dead leaves" ], "label": [ "A", "B", "C", "D" ] }
C
bears eat berries
1
2
b356d338b7
482
Which is a complete circuit?
{ "text": [ "a refrigerator that is running", "a battery removed from a toy", "a clock that is wound-up", "a fuse that has blown" ], "label": [ "A", "B", "C", "D" ] }
A
a complete electrical circuit is a source of electrical energy
1
2
a9f90f5da1
1366
Pressing your appendages against an object can allow one to
{ "text": [ "sense differences in atomic structure", "sense differences in color", "sense differences in atomic value", "sense differences in material makeup" ], "label": [ "A", "B", "C", "D" ] }
D
touch can be used for detecting texture
0.8
1.6
303bb2cb4a
9-556
if a student needs to travel with their lunch for long distances, which of these would have the freshest meal?
{ "text": [ "a student with freshly cooked food", "a student with food containing preservatives", "raw uncooked fish meal", "a student with uncooked beef" ], "label": [ "A", "B", "C", "D" ] }
B
as ability to preserve food increases , the ability to transport food increases
1
2
cf7109905e
8-4
Thermal conduction occurs when
{ "text": [ "I leave a log poker in the fire", "I sit down on a bed", "I wave a flag in the air", "I have a party" ], "label": [ "A", "B", "C", "D" ] }
A
when a cooler object touches a warmer object , thermal conduction occurs
1
1.8
cee82219a0
658
Plants brought to the western United States from the eastern United States often die because of
{ "text": [ "bad planting methods", "small spaces", "the wrong climate", "people kill them" ], "label": [ "A", "B", "C", "D" ] }
C
a plant requires a specific climate to grow and survive
1
1.8
7189327f06
8-133
A tiny spark grows and the result tears through an area of nature and spreads through the mountains, consuming
{ "text": [ "bark and canopies", "a crystal lake", "a snowy mountaintop", "a small bird" ], "label": [ "A", "B", "C", "D" ] }
A
wildfire is when a forest catches fire
1
1.6
b356d338b7
1871
Near which location would an anteater most likely live?
{ "text": [ "swamp", "anthill", "river", "bee hive" ], "label": [ "A", "B", "C", "D" ] }
B
most predators live near the same environment as their prey
1
1.8
303bb2cb4a
8-366
One of Kangaroo's unusual features are
{ "text": [ "They have horns", "They speak English", "They can fly", "webbed feet" ], "label": [ "A", "B", "C", "D" ] }
D
webbed feet are used for moving faster through water by aquatic animals
1
1.6
cee82219a0
7-792
As the earth orbits the sun
{ "text": [ "various places experience different weather patterns", "weather is consistent world-wide", "weather is always different", "we all have snow" ], "label": [ "A", "B", "C", "D" ] }
A
Earth orbiting the Sun causes seasons to change
1
1.2
b356d338b7
9-344
When a person gets hurt physically, the person feels pain because there are
{ "text": [ "magic receptors", "electric reactions", "making nervous", "loud nerves" ], "label": [ "A", "B", "C", "D" ] }
B
nervous system is an electric conductor
0.8
1.2
b356d338b7
325
During a sandstorm, a bird looks for a
{ "text": [ "worm", "mate", "stream", "bush" ], "label": [ "A", "B", "C", "D" ] }
D
shelter can protect animals from weather
1
1.4
7189327f06
7-499
Roads need repaved in spring because
{ "text": [ "they are cold", "road need it", "they are lumpy", "ice ruins them" ], "label": [ "A", "B", "C", "D" ] }
D
cycles of freezing and thawing water cause ice wedging
0.8
1.4
b356d338b7
899
On a rainy day the clouds are
{ "text": [ "low", "small", "white", "gray" ], "label": [ "A", "B", "C", "D" ] }
D
clouds produce rain
1
1.6
7189327f06
8-200
The moon's surface
{ "text": [ "has asteroid impact marks", "is smooth all over", "is filled with lakes", "has a stronger gravitational pull than Earth" ], "label": [ "A", "B", "C", "D" ] }
A
the lunar surface contains many craters
1
2
a8ecf6eaeb
8-137
I use a knife to chip away at what to make a sculpture
{ "text": [ "A slab of rock", "A bucket of sand", "A glass of water", "A bag of air" ], "label": [ "A", "B", "C", "D" ] }
A
scraping an object may cause small particles to break off of that object
1
2
cee82219a0
9-263
An animal living in an environment lacking in food resources
{ "text": [ "will be in poor shape", "will be thriving and lively", "will be switching to a new diet", "will hibernate until more food comes along" ], "label": [ "A", "B", "C", "D" ] }
A
an animal requires enough nutrients to maintain good health
0.8
1
a8ecf6eaeb
7-856
If plants are going to grow, their seeds need to
{ "text": [ "travel elsewhere", "be eaten", "pass a test", "be washed" ], "label": [ "A", "B", "C", "D" ] }
A
plant requires seed dispersal for reproduction
1
2
b356d338b7
1228
A coal mine is what?
{ "text": [ "a person who mines for coal", "a rare type of stone", "a place where coal is processed", "a mine that is beneath the earth where coal is found" ], "label": [ "A", "B", "C", "D" ] }
D
coal mine is a source of coal under the ground
1
1.8
b356d338b7
8-266
If I wanted to get more energy after exerting myself too much
{ "text": [ "I can consume an apple", "I can go for a run", "I can brush my hair", "I can wash my face" ], "label": [ "A", "B", "C", "D" ] }
A
living things all require energy for survival
1
2
cee82219a0
7-546
Birds build nests out of things such as
{ "text": [ "fragments from plants", "small glass shards", "entire tree trunks", "several flower buds" ], "label": [ "A", "B", "C", "D" ] }
A
a nest is made of branches
1
1.6
b356d338b7
9-788
A thermal insulator between a stove and a pan would make the pan get hot
{ "text": [ "slower", "immediately", "same speed", "faster" ], "label": [ "A", "B", "C", "D" ] }
A
a thermal insulator slows the transfer of heat
0.8
2
c1e2e5a65e
9-422
The reason raccoons are often found in dumpsters is because they are known to consume
{ "text": [ "waste", "caviar", "cats", "roses" ], "label": [ "A", "B", "C", "D" ] }
A
raccoons eat waste
1
2
bdb4135787
7-959
If you desired to keep your house cooler in the summer months
{ "text": [ "plant trees that tower above the ground", "plant ivy around the trees", "plant shrubs around the foundation", "plant trees that stay smaller than dogwoods" ], "label": [ "A", "B", "C", "D" ] }
A
large trees block sunlight from reaching the ground
0.8
1.8
a8ecf6eaeb
9-1125
a cloudy day may obstruct visibility of which of these?
{ "text": [ "the screen on a smartphone", "our planet's closest star", "the teacher in the class", "the waitress's name tag" ], "label": [ "A", "B", "C", "D" ] }
B
cloudy means the presence of clouds in the sky
0.8
2
cf7109905e
9-642
Billy's new puppy had floppy ears. That might be because
{ "text": [ "The puppy's mother had ears that looked the same way", "The puppy was deaf", "The puppy was tired", "The puppy was missing the bones in its ears" ], "label": [ "A", "B", "C", "D" ] }
A
the shape of body parts is an inherited characteristic
1
2
3f32b550f3
1977
Materials like ethanol are used to produce electricity by _____.
{ "text": [ "hydroelectric power", "renewable energy", "burning", "carbon fixation" ], "label": [ "A", "B", "C", "D" ] }
C
biofuel is used to produce electricity by burning
0.8
2
123d66ccd7
1908
Hardness of minerals may be measured in certain ways, such as what?
{ "text": [ "heating the minerals to high temperatures", "applying pressure using a sharp, tough object in order to leave marks", "hitting the minerals with a tougher stone", "taking bits of metal and comparing the texture to the minerals" ], "label": [ "A", "B", "C", "D" ] }
B
measuring the hardness of minerals requires scratching those materials
0.8
1.6
b356d338b7
9-1165
Water vapor condensing in clouds may cause
{ "text": [ "people to use umbrellas", "dogs to take a nap", "rockets to fly to the moon", "the earth to spin" ], "label": [ "A", "B", "C", "D" ] }
A
water vapor condensing in clouds causes rain
1
2
c1e2e5a65e
9-156
At any given time on earth, some countries can be in bed and other are in the middle of the day enjoying the outdoors, why?
{ "text": [ "ocean tides", "animals", "planet rotation", "rotation of sun" ], "label": [ "A", "B", "C", "D" ] }
C
a planet rotating causes cycles of day and night on that planet
1
2
52dbc5c7af
9-702
An eagle will use their claws to catch which of the following?
{ "text": [ "nuts and berries", "mouse", "lion", "elephant" ], "label": [ "A", "B", "C", "D" ] }
B
claws are used to catch prey by some predators
1
2
0a040d1ed1
9-773
A man is burned in an accident on the road, which means that at one point he was
{ "text": [ "exposed to extreme heat", "frozen in an ice storm", "crashed into a helicopter", "melted by molten lava" ], "label": [ "A", "B", "C", "D" ] }
A
if a body part was burned then that body part was exposed to a lot of heat energy
1
2
b356d338b7
7-64
Cooking food requires
{ "text": [ "higher temps to be applied", "a stove to be used", "an oven to be used", "a fire to be built" ], "label": [ "A", "B", "C", "D" ] }
A
if food is cooked then heat energy is added to that food
1
0.8
b356d338b7
9-734
Why would some birds have beaks that look a lot different than those of other birds?
{ "text": [ "some of the birds eat worms and the other birds have blue feathers", "some of the birds of the same species have lived in a zoo all their lives", "some of the birds take seeds for nourishment and the others look for dead animals for nourishment", "some of the birds like to file down their beaks" ], "label": [ "A", "B", "C", "D" ] }
C
birds with beaks of different shapes eat different foods
1
1.8
3f32b550f3
7-1084
High can be visually represented by
{ "text": [ "basins", "mountains", "deep sea", "valleys" ], "label": [ "A", "B", "C", "D" ] }
B
high means great in altitude
0.8
1.8
a8ecf6eaeb
7-901
To positively affect the environment
{ "text": [ "cut down trees and shrubs", "drive a gas guzzling car", "use Styrofoam plates and cups", "cultivate dogwoods and oaks" ], "label": [ "A", "B", "C", "D" ] }
D
planting trees has a positive impact on an ecosystem
1
2
a8ecf6eaeb
886
What makes the best wiring?
{ "text": [ "rope", "Tungsten", "hemp", "plastic" ], "label": [ "A", "B", "C", "D" ] }
B
wiring requires an electrical conductor
1
2
64d9056837