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A landfill
{ "text": [ "may cause an increase in loose detritus in the area", "may lead to cleaner air", "may lead to increase in property value", "may lead to a nicer community" ], "label": [ "A", "B", "C", "D" ] }
A
landfills have a negative impact on the communities
1
2
a8ecf6eaeb
581
The cultivation of a range of crop types in a specific order has a positive impact on
{ "text": [ "soil quality", "water quality", "air quality", "atmospheric conditions" ], "label": [ "A", "B", "C", "D" ] }
A
crop rotation has a positive impact on soil quality
1
1.8
b7b9b1d4ec
7-220
A car drives right past the gas station because it's motor is
{ "text": [ "gas", "diesel", "coal", "electric" ], "label": [ "A", "B", "C", "D" ] }
D
an electric car contains an electric motor
0.8
1.2
7189327f06
196
What does a squirrel not eat?
{ "text": [ "plants", "seeds", "fruits", "animals" ], "label": [ "A", "B", "C", "D" ] }
D
squirrels eat edible plants
1
2
be7a45e47c
9-546
When you come across an animal that passed away, it sometimes smells awful because it died recently and has begun to what?
{ "text": [ "whimper", "Rot", "die", "cook" ], "label": [ "A", "B", "C", "D" ] }
B
dead organisms rot
1
2
bdb4135787
1054
Magnetism
{ "text": [ "requires full contact between objects", "requires objects to touch", "can act only on contact", "can act without contact between objects" ], "label": [ "A", "B", "C", "D" ] }
D
magnetism does not require contact between objects to act
0.8
1.8
a8ecf6eaeb
1567
A resource from nature are
{ "text": [ "Styrofoam plates", "briny waves", "window pane", "nylon pantyhose" ], "label": [ "A", "B", "C", "D" ] }
B
nature is the source of natural resources
0.8
1.8
a8ecf6eaeb
7-78
Droughts can cause
{ "text": [ "parched grass", "lush lawns", "overflowing ponds", "blooming flowers" ], "label": [ "A", "B", "C", "D" ] }
A
drought means available water decreases in an environment
1
2
a8ecf6eaeb
896
A refrigerator
{ "text": [ "requires an electrical outlet to work", "requires an ice maker to work", "requires AA batteries to work", "requires a crisper to work" ], "label": [ "A", "B", "C", "D" ] }
A
electric devices require electrical energy to function
1
2
a8ecf6eaeb
7-398
where do arctic animals reside?
{ "text": [ "arctic fire", "tropical jungles", "chilly habitats", "sahara habitats" ], "label": [ "A", "B", "C", "D" ] }
C
arctic animals live in an arctic environment
1
1.8
cf7109905e
7-650
When a plant is watered, spraying water on leaves is less useful than
{ "text": [ "spritzing the stem of the plant", "putting the plant in the rain", "using a sprinkler system", "pouring water on soil" ], "label": [ "A", "B", "C", "D" ] }
D
roots are a vehicle for absorbing water and nutrients from soil into the plant
0.8
1
b356d338b7
7-719
A pet with flippers is sometimes kept in a
{ "text": [ "folding metal crate with door", "cushioned pad with round opening", "bean-shaped container with fake tree", "cage with wheel and tubes" ], "label": [ "A", "B", "C", "D" ] }
C
flippers are used for moving in water
0.8
0.6
fd3aeffe8c
89
Water evaporates less
{ "text": [ "on a hot street", "in a basement", "on a sunny day", "next to a window" ], "label": [ "A", "B", "C", "D" ] }
B
the sun causes water to evaporate more quickly by adding heat
1
2
7189327f06
7-118
The condor screamed in pain as its wing was singed by the
{ "text": [ "ice", "water", "electricity", "campfire" ], "label": [ "A", "B", "C", "D" ] }
D
fire causes harm to living things
1
1.4
0317ce7c33
274
The water treatment plant boiled all the water that came to them for what reason?
{ "text": [ "add oxygen", "add health benefits", "to eliminate substances", "mix the water" ], "label": [ "A", "B", "C", "D" ] }
C
treating water is used to remove harmful substances before drinking
1
2
d2ccffd14b
9-762
the earth's population could face severe depletion if which of these stopped happening?
{ "text": [ "the running man dance", "the American Idol show", "human gene cloning research", "the food pyramid structure" ], "label": [ "A", "B", "C", "D" ] }
D
green plants provide food for consumers by performing photosynthesis
0.8
2
cf7109905e
623
What does electrical energy become when a light bulb is turned on?
{ "text": [ "energy newly derived from radiation", "energy derived from its motion", "energy that can be seen and used to see the matter around us", "solar and wind energy" ], "label": [ "A", "B", "C", "D" ] }
C
a light bulb converts electrical energy into light energy when it is turned on
0.8
1.8
a8ecf6eaeb
7-500
Switches can be used to cease electronic energy flow, such as when
{ "text": [ "a button is pushed and a fan stops spinning", "a fridge is running loudly", "a freezer turns off in a power outage", "a light is turned on" ], "label": [ "A", "B", "C", "D" ] }
A
a switch is used to stop the flow of current in an electrical circuit
0.8
1
b356d338b7
8-487
Crickets live in forests in
{ "text": [ "Rotting Trees", "In the desert", "In the snow", "The sunlight" ], "label": [ "A", "B", "C", "D" ] }
A
some crickets live in forests
0.8
1.4
cee82219a0
8-164
What will receive more sunlight?
{ "text": [ "Elephant Ear Leaves", "Blades of grass", "A bat", "A worm" ], "label": [ "A", "B", "C", "D" ] }
A
as the size of a leaf increases , the amount of sunlight absorbed by that leaf will increase
0.8
1.8
cee82219a0
9-178
a full moon will block which of these
{ "text": [ "global eclipse", "lunar eclipse", "twilight", "solar eclipse" ], "label": [ "A", "B", "C", "D" ] }
D
a solar eclipse could only happen during the new moon
0.8
1
dc78319bb0
1867
A leaf absorbs sunlight to perform photosynthesis until
{ "text": [ "a lounge chair obstructs the solar rays", "solar lights line a path", "solar panels are placed on the roof", "solar tea is served in the garden" ], "label": [ "A", "B", "C", "D" ] }
A
a leaf absorbs sunlight to perform photosynthesis
1
1
fd3aeffe8c
7-1182
How does refraction affect the look of things
{ "text": [ "They look black", "They appear same", "They just disappear", "They appear different" ], "label": [ "A", "B", "C", "D" ] }
D
refraction causes something to look different
0.8
1.8
cf7109905e
207
Birds feed their babies by
{ "text": [ "telepathy", "flying", "osmosis", "regurgitation" ], "label": [ "A", "B", "C", "D" ] }
D
birds sometimes eat berries
1
2
150eb89dbe
1005
When the ground shakes, this will make
{ "text": [ "the sun shake", "a roof shake", "an airplane shake", "a fish shake" ], "label": [ "A", "B", "C", "D" ] }
B
an earthquake causes the ground to shake
1
1.6
7189327f06
770
Which changes an object's shape and mass?
{ "text": [ "smashing it", "tossing it", "rolling it", "touching it" ], "label": [ "A", "B", "C", "D" ] }
A
breaking down an object changes that object 's shape and mass
1
1.2
be7a45e47c
7-908
Plants may use leaves, especially waxy ones, in order to
{ "text": [ "create a way to grow", "collect and hold on to dampness", "store food for themselves", "water themselves in droughts" ], "label": [ "A", "B", "C", "D" ] }
B
waxy leaves are used for storing water by some plants
1
1.6
b356d338b7
7-192
Death
{ "text": [ "deducts from population total", "leads to phoenix-like rebirth", "adds to the population total", "leads to population growth" ], "label": [ "A", "B", "C", "D" ] }
A
if an organism dies then the population of that organism will decrease
1
2
a8ecf6eaeb
1094
Flashlights
{ "text": [ "illuminate ideas and thoughts", "illuminate answers to questions", "illuminate pathways in an overgrown forest", "illuminate bright sunny days" ], "label": [ "A", "B", "C", "D" ] }
C
a flashlight emits light
1
2
a8ecf6eaeb
9-946
The Earth receives heat from:
{ "text": [ "another nearby planet's sun", "the star around which it orbits", "the greenhouse gases in its atmosphere", "solar eclipses occurring frequently" ], "label": [ "A", "B", "C", "D" ] }
B
a planet is exposed to the heat of the star around which it revolves
1
2
df774267ec
9-86
The mass of ground sliding down an embankment can be propagated by what?
{ "text": [ "a storm", "forest fires", "global warming", "trees growing" ], "label": [ "A", "B", "C", "D" ] }
A
storms can cause a landslide
1
1.8
52dbc5c7af
9-748
A creek flows slowly, and the water runs very gently, yet if a leaf tumbles into it
{ "text": [ "it will relocate", "it will melt", "it will cry", "it will hold" ], "label": [ "A", "B", "C", "D" ] }
A
flowing liquid can push objects
0.8
1.8
b356d338b7
9-406
What tool would be most helpful in aiding indoor plants in photosynthesis
{ "text": [ "music", "cover", "Fertilizer", "a large window" ], "label": [ "A", "B", "C", "D" ] }
D
photosynthesis means producers convert from carbon dioxide, water, and solar energy into food for themselves
1
2
063988c9fc
7-359
That which is alive is made of cells such as
{ "text": [ "rocks", "dirt", "water", "grapes" ], "label": [ "A", "B", "C", "D" ] }
D
a living thing is made of cells
1
1.6
b356d338b7
1033
Nutrients in soil
{ "text": [ "are used up immediately", "are unimportant to the food chain", "are passed on to first to apex predators", "are passed on to the producer organisms" ], "label": [ "A", "B", "C", "D" ] }
D
if some nutrients are in the soil then those nutrients are in the food chain
1
2
a8ecf6eaeb
699
You couldn't discover the shape of an object if you had
{ "text": [ "nose plug", "tape over mouth", "ear plugs", "hands behind back" ], "label": [ "A", "B", "C", "D" ] }
D
the shape of an object can be discovered through feeling that object
1
1.4
be7a45e47c
7-439
How many ecosystems does the earth contain?
{ "text": [ "a scant amount", "a copious amount", "a middling amount", "a negligible amount" ], "label": [ "A", "B", "C", "D" ] }
B
the Earth contains many ecosystems
1
1.8
a8ecf6eaeb
8-433
What could be put on a wall so that a neighbor stops complaining about your guitar playing at night?
{ "text": [ "paint", "wallpaper", "carpet", "curtains" ], "label": [ "A", "B", "C", "D" ] }
C
carpet absorbs sound
0.8
1
e57e0b59c9
7-408
Thicker objects have stronger resistance, as evidenced by
{ "text": [ "thin tires popping sooner than thick ones", "overweight dogs getting sick", "thin pieces of wood being useful", "thin people bruising easily" ], "label": [ "A", "B", "C", "D" ] }
A
as the thickness of an object increases , the resistance to damage of that object will increase
0.8
1.6
b356d338b7
8-232
Molecules are known for having a
{ "text": [ "Positive Charge", "Neutral Charge", "Friend", "Negative Charge" ], "label": [ "A", "B", "C", "D" ] }
B
matter is made of molecules
1
1.6
cee82219a0
9-1177
what kinds of things grow
{ "text": [ "nutritional things", "moving things", "large things", "breathing things" ], "label": [ "A", "B", "C", "D" ] }
D
all living things grow
0.8
1
0d935542d3
9-855
which of these will attract a magnet in a student's pocket?
{ "text": [ "an old stapler pin", "a piece of gum", "all of these", "a piece of chicken" ], "label": [ "A", "B", "C", "D" ] }
A
if a magnet is attracted to a metal then that magnet will stick to that metal
1
2
cf7109905e
9-863
The hamster was malnourished because
{ "text": [ "There was a depletion in the corn supply", "It went on a hunger strike", "It was paralyzed in the mouth", "It was waiting for the key to get the food" ], "label": [ "A", "B", "C", "D" ] }
A
as the amount of food an animal eats decreases , that organism will become thinner
1
1.4
cee82219a0
1122
The skeletal system protects
{ "text": [ "pancreas", "toenails", "eyes", "hair" ], "label": [ "A", "B", "C", "D" ] }
A
the skeletal system protects internal organs
0.8
1.6
be7a45e47c
1210
A knife refuses to stick to a blanket due to
{ "text": [ "luck", "gravity", "lack of magnetism", "tension." ], "label": [ "A", "B", "C", "D" ] }
C
a magnet attracts magnetic metals through magnetism
0.8
2
0317ce7c33
8-406
when light hits a reflective object , that light
{ "text": [ "never reaches it", "illuminates the backside", "goes above it", "redirected from it" ], "label": [ "A", "B", "C", "D" ] }
D
when light hits a reflective object , that light bounces off that object
0.8
1.8
dc78319bb0
8-103
an example of converting potential energy to kinetic energy is
{ "text": [ "a resting bird", "a still rock", "our own sun", "cars spinning tires" ], "label": [ "A", "B", "C", "D" ] }
D
potential energy changes to kinetic energy through motion
0.8
1.2
dc78319bb0
9-383
An example of refraction is
{ "text": [ "The light that comes from the TV", "The light from a fire", "Turning the light on", "Pickles seemingly bigger in the jar" ], "label": [ "A", "B", "C", "D" ] }
D
refraction is when light bends
0.8
1.8
cee82219a0
1851
In what way are valleys formed?
{ "text": [ "the passage of water in a straight or winding path moving consistently", "pools of water filling until a deep lake forms", "rain water frequently raining down", "high winds blowing rain and hail" ], "label": [ "A", "B", "C", "D" ] }
A
a valley is formed by a river flowing
1
2
b356d338b7
564
It would be unexpected to see a mouse with
{ "text": [ "eggs", "ears", "teeth", "a tail" ], "label": [ "A", "B", "C", "D" ] }
A
a mouse gives birth to live young
0.8
1.6
7189327f06
9-443
A dog that has a very thick tail, that mates with another dog with a thick tail, has a strong likelihood of creating a litter of
{ "text": [ "calico kittens", "tailless pups", "small tailed pups", "dense tailed pups" ], "label": [ "A", "B", "C", "D" ] }
D
the thickness of the parts of an organism is an inherited characteristic
1
2
b356d338b7
7-47
The changing of night to day occur
{ "text": [ "three times a day", "seven times a week", "six times a week", "twenty-nine times a month" ], "label": [ "A", "B", "C", "D" ] }
B
cycles of day and night occur once per day
0.8
1.4
b356d338b7
7-931
Some bacteria are beneficial and some bacteria
{ "text": [ "cause droughts", "cause thriving populations", "cause rosacea", "cause upset stomach" ], "label": [ "A", "B", "C", "D" ] }
D
bacteria cause food poisoning
1
1
a8ecf6eaeb
9-196
A ship navigates with a magnetic compass because it is
{ "text": [ "unpredictable", "waterproof", "tradition", "predictable" ], "label": [ "A", "B", "C", "D" ] }
D
when the needle of a compass lines up with Earth 's magnetic poles , the needle points north
1
2
c1e2e5a65e
7-368
A hot liquid would be
{ "text": [ "an old cup of coffee", "a tall glass of milk", "pasta water bubbling on the stove", "a warm cup of cocoa" ], "label": [ "A", "B", "C", "D" ] }
C
if liquid is boiling then that liquid is hot
1
1.2
b356d338b7
1037
What is an example that ecosystems are an interconnected world?
{ "text": [ "animals' numbers decreasing when food decreases", "animals' numbers increasing when predator numbers increase", "animals' numbers increasing when plants decrease", "animals' numbers decreasing when food increases" ], "label": [ "A", "B", "C", "D" ] }
A
as the supply of food in an environment decreases , the population of animals in that environment will decrease
1
2
d2ccffd14b
8-215
if a student needed to warm up, which of these would help?
{ "text": [ "all of these", "sitting by the fireplace", "sitting next to a running engine", "turning up the room heater" ], "label": [ "A", "B", "C", "D" ] }
A
a warm something is a source of heat
1
1.6
cf7109905e
9-760
What is a thermometer used to measure?
{ "text": [ "height", "weight", "oxygen density", "warmness" ], "label": [ "A", "B", "C", "D" ] }
D
a thermometer is used to measure temperature
1
2
1e6dc77bb6
1172
A compass would be useful to
{ "text": [ "Captain Planet", "captain of industry", "sports team captain", "Navy captain" ], "label": [ "A", "B", "C", "D" ] }
D
a compass is used to navigate seas
1
2
a8ecf6eaeb
210
Buying permanent things instead of disposable things is
{ "text": [ "composting", "conservation", "recycling", "returning" ], "label": [ "A", "B", "C", "D" ] }
B
An example of conservation is avoiding waste
1
2
7189327f06
8-291
Removing the tree an owl makes it's home in
{ "text": [ "demolishes the owl's home", "means the owl will go with the tree", "allows the owl to remodel", "causes the owl to perish" ], "label": [ "A", "B", "C", "D" ] }
A
if a habitat is removed then that habitat is destroyed
0.8
1.4
a8ecf6eaeb
7-392
A thing's position is altered when
{ "text": [ "the thing adjusts its location", "the thing is in position", "thing feels moved emotionally", "things are considering moving" ], "label": [ "A", "B", "C", "D" ] }
A
moving changes position
1
1.2
b356d338b7
8-146
If a rub two rocks together after awhile they will start to
{ "text": [ "Get smooth", "Become butterflies", "Become art", "Make a chair" ], "label": [ "A", "B", "C", "D" ] }
A
contact between rocks over long periods of time causes rocks to smooth
1
2
cee82219a0
1832
How can we see that refracting sunlight causes light to split into different colors?
{ "text": [ "shining a light at a mirror", "letting sunlight hit a broken mirror", "setting a diamond outside on a bright day", "shining a flashlight at broken glass on the floor" ], "label": [ "A", "B", "C", "D" ] }
C
refracting sunlight causes light to split into different colors
1
1.8
b356d338b7
1001
What is most likely to occur before a rainstorm?
{ "text": [ "chlorine gas is released into the atmosphere", "atmospheric water droplets collide", "the electromagnetic field of the earth flips", "rivers and lakes overflow" ], "label": [ "A", "B", "C", "D" ] }
B
precipitation is when water falls from the sky
1
2
6dc1e4d0a3
7-1107
what can be found where photosynthesis takes place?
{ "text": [ "some green pigmentation", "some blue pigment", "some chlorine pigment", "some chloride" ], "label": [ "A", "B", "C", "D" ] }
A
a chloroplast contains chlorophyll
1
1.8
cf7109905e
9-184
which of these does a spinning motion?
{ "text": [ "planet venus", "the earth", "planet mars", "all of these" ], "label": [ "A", "B", "C", "D" ] }
D
the Earth rotates on its axis on its axis
1
1.8
cf7109905e
9-1185
What does an animal require to survive?
{ "text": [ "interesting locations", "sunlight", "cable television", "nutriment" ], "label": [ "A", "B", "C", "D" ] }
D
an animal requires nutrients for survival
1
1.8
1e6dc77bb6
7-834
When eagles are hunting in a field, some of their nutrients come from
{ "text": [ "beans", "fish", "deer", "rodents" ], "label": [ "A", "B", "C", "D" ] }
D
eagles eat rabbits
0.8
1.8
b356d338b7
9-150
Nighttime in the desert may cause animals to
{ "text": [ "run", "jump", "get thirsty", "shiver" ], "label": [ "A", "B", "C", "D" ] }
D
cool temperatures cause animals to shiver
1
2
c1e2e5a65e
1542
What has a positive net impact on an environment?
{ "text": [ "placing sapling seeds in the ground", "deforesting a dry environment", "introducing new species there", "tilling the soil of the area" ], "label": [ "A", "B", "C", "D" ] }
A
planting trees has a positive impact on an ecosystem
1
1.8
b356d338b7
923
Decomposition
{ "text": [ "takes away from the soils ability to nourish plant life", "adds to the components needed to sustain life in the soil", "increases the rate of depletion of nutrients in the soil", "decreases nutrients in the soil" ], "label": [ "A", "B", "C", "D" ] }
B
decomposition increases the amount of nutrients in the soil
1
2
a8ecf6eaeb
1992
An animal needs another animal to
{ "text": [ "fly", "eat", "eliminate waste", "pass genetic information" ], "label": [ "A", "B", "C", "D" ] }
D
reproduction is when an organism passes genetic information from itself to its offspring
0.8
1.2
7189327f06
74
An animal usually weighs the most if it has eaten
{ "text": [ "a salad plate of food", "a truck full of food", "a dinner plate of food", "a barrel of food" ], "label": [ "A", "B", "C", "D" ] }
B
as the amount of food an animal eats increases , the weight of that animal will increase
1
0.8
7189327f06
9-1068
Which of these is lacks molecules?
{ "text": [ "a speech", "a dog", "a book", "a grape" ], "label": [ "A", "B", "C", "D" ] }
A
matter is made of molecules
1
2
3c248b4dc4
9-126
What causes rock layers to fold on top of each other?
{ "text": [ "construction", "Violent tremors", "earthworms", "tornados" ], "label": [ "A", "B", "C", "D" ] }
B
earthquakes cause rock layers to fold on top of each other
1
1.6
1e6dc77bb6
252
Plant cells can't perform photosynthesis
{ "text": [ "in a backyard", "in a desert", "in a closet", "in water" ], "label": [ "A", "B", "C", "D" ] }
C
plant cells can perform photosynthesis
1
1.8
7189327f06
7-841
An example of a mixture is
{ "text": [ "gin and tonic martini", "plant potted in soil", "pebbles on a sandy beach", "a leaf that fell in water" ], "label": [ "A", "B", "C", "D" ] }
A
An example of a mixture is clay mixed together
1
2
b356d338b7
619
Do objects change size with distance for Stevie Wonder?
{ "text": [ "Yes", "No", "sometimes", "maybe" ], "label": [ "A", "B", "C", "D" ] }
B
as distance to an object increases , that object will appear smaller
0.8
1.25
64d9056837
8-306
Which life form is most likely to have changed its position?
{ "text": [ "pine", "carrot", "aloe", "tortoise" ], "label": [ "A", "B", "C", "D" ] }
D
moving changes position
1
1.8
7189327f06
9-170
Which of the following are found in woodlands?
{ "text": [ "Scorpions", "Crickets", "Camels", "Whales" ], "label": [ "A", "B", "C", "D" ] }
B
some crickets live in forests
1
1.8
97e7d66d68
799
What might a blind person likely use to what sandpaper is?
{ "text": [ "sight", "sound", "taste", "touch" ], "label": [ "A", "B", "C", "D" ] }
D
touch can be used for detecting texture
1
2
a9f90f5da1
7-143
In order to make a spiral notebook, it is imperative to use
{ "text": [ "rubber", "plastic", "trees", "cows" ], "label": [ "A", "B", "C", "D" ] }
C
if something is a raw material in a process then that something is required for that process
1
1.8
b356d338b7
958
One full rotation on Earth's axis takes
{ "text": [ "12 hours", "1 month", "2 days", "1440 minutes" ], "label": [ "A", "B", "C", "D" ] }
D
a Rotation of the Earth on Earth 's axis takes 1 day
0.8
1.6
a8ecf6eaeb
1058
What is pulling your finger over a guitar string an example of?
{ "text": [ "tightening a guitar string", "Stopping a musical sound", "making music with an instrument", "Putting a guitar away" ], "label": [ "A", "B", "C", "D" ] }
C
An example of playing a musical instrument is strumming a guitar string
1
1.8
49e440705c
7-418
Organisms with only one cell
{ "text": [ "are prohibited from specializing", "can freely specialize openly", "are unsure what specializing is", "learn how to specialize" ], "label": [ "A", "B", "C", "D" ] }
A
a single-cell organism cannot specialize
0.8
2
b356d338b7
9-770
Mammals are one of a few animals that's core temp
{ "text": [ "fluctuates", "stays the same", "drops suddenly", "heats up" ], "label": [ "A", "B", "C", "D" ] }
B
a mammal is warm-blooded
0.8
2
dc78319bb0
8-295
A ficus can help respiration because it:
{ "text": [ "absorbs oxygen", "releases oxygen", "absorbs helium", "releases carbon dioxide" ], "label": [ "A", "B", "C", "D" ] }
B
a leaf performs photosynthesis
0.8
1.8
a9f90f5da1
8-415
Someone is driving at night. The day was warm, but now the night is cool, and there is a lot of mist that is difficult to see through. The mist is prevalent because
{ "text": [ "humidity from the day condensed as night progressed", "warm air is usually found in daytime", "it is always misty at night", "the cool air makes everything feel warm" ], "label": [ "A", "B", "C", "D" ] }
A
fog is formed by water vapor condensing in the air
1
2
b356d338b7
19
How can you safely look at a solar eclipse?
{ "text": [ "mirror", "pinhole onto a screen", "look directly at it", "you can't look safely at a solar eclipse." ], "label": [ "A", "B", "C", "D" ] }
B
casting an image of an object through a pinhole onto a screen does not require looking directly at the object
0.8
2
be7a45e47c
1219
a learned characteristic is a
{ "text": [ "a baby having the same color eyes as parent", "toddler banging with a stick while parent hammers", "a child covered with freckles", "infant diagnosed with sickle cell anemia" ], "label": [ "A", "B", "C", "D" ] }
B
using tools is a learned characteristic
1
2
fd3aeffe8c
8-187
A young boy is reprimanded by his mother for sleeping with his heavy blankets over his head. His mother is worried that if the boy continues to sleep like that, he will suffocate. This is because
{ "text": [ "beds can cause issues with breathing", "breathing at night is deadly", "CO2 in large amounts is fatal", "CO2 can be ambivalent" ], "label": [ "A", "B", "C", "D" ] }
C
carbon dioxide can be found in the air
1
2
b356d338b7
9-739
Carbonic acid dissolves what to form caverns?
{ "text": [ "air", "water", "grass", "sediment" ], "label": [ "A", "B", "C", "D" ] }
D
a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone
0.8
2
1e6dc77bb6
7-451
When two decorative items for a refrigerator are placed back to back,
{ "text": [ "they will refuse to touch", "they will stick together", "they will be sticky", "they will be charged" ], "label": [ "A", "B", "C", "D" ] }
A
if two objects have the same charge then those two materials will repel each other
1
0.6
b356d338b7
38
Which is the source of a nonrenewable resource?
{ "text": [ "rain", "the wind", "the Sun", "oil deposits" ], "label": [ "A", "B", "C", "D" ] }
D
plastic is a nonrenewable resource
1
2
be7a45e47c
1176
Seed dispersal
{ "text": [ "benefits production of human offspring", "decreases production of new plants", "has no effect on plant reproduction", "benefits production of plant offspring" ], "label": [ "A", "B", "C", "D" ] }
D
seed dispersal has a positive impact on a plant 's reproduction
1
2
a8ecf6eaeb
1879
What do some animals do to adjust to hot temperatures?
{ "text": [ "they run", "they hunt", "they perspire", "they fly" ], "label": [ "A", "B", "C", "D" ] }
C
sweat is used for adjusting to hot temperatures by some animals
1
1.8
78e0a411ed
1195
The celestial object closest to Earth is
{ "text": [ "Mercury and Venus are equally closest", "the object the Earth orbits", "the third planet from the Sun", "the large object that illuminates a night sky" ], "label": [ "A", "B", "C", "D" ] }
D
the moon is the celestial object that is closest to the Earth
1
1.4
a8ecf6eaeb
1588
Bugs are sometimes eaten by
{ "text": [ "blue jays", "whales", "elephants", "aphids" ], "label": [ "A", "B", "C", "D" ] }
A
birds sometimes eat insects
1
1.6
a8ecf6eaeb
7-745
When a microscope magnifies, it is
{ "text": [ "enlarging", "enabling", "viewing", "observing" ], "label": [ "A", "B", "C", "D" ] }
A
magnifying makes seeing small things easier through using a microscope
1
1.8
b356d338b7