The Solar System
Water and Weather
Light and Sound
Force and Motion
Ecology
100
What color are the hottest stars? A. Orange B. Red C. Blue D. Yellow
C. Blue
100
Water in a gaseous state is called. . . A. ice B. frost C. water vapor D. latent water
C. water vapor
100
Which of these objects would be translucent? A. soda can B. desk top C. was paper D. clear plastic bag
C. was paper
100
What type of simple machine could be used to cut a block of cheese? A. inclined plane B. wheel and axle C. pulley D. wedge
D. wedge
100
Which of the following are producers? A. frogs B. plants C. crickets D. earthworms
B. plants
200
You can see planets move, but not stars. This is because planets are. . . A. closer to the Earth. B. much bigger than stars. C. much hotter than stars. D. the only objects in space that move.
D. The only objects in space that move.
200
Which of these process most happen to water for cloud droplets to form? A. condensation B. sublimation C. freezing D. evaporation
A. condensation
200
When light hits a mirror most of the light is. . . A. scattered B. reflected C.transmitted D. absorbed
B. reflected
200
Anna tosses a ball straight up into the air. The ball rises and falls back down into her hands. Which of these describe the gravity of the ball? A. gravity is always upwards B. gravity is always downward. C. gravity is upward at first, but then it is downward.
B. gravity is always downward
300
Why does the sun appear brighter to us than other stars? A. It is brighter than all the other stars. B. It is closer to Earth than all other stars. C. Yellow stars appear brighter than any other star. D. The moon reflects the sunlight and makes it look bigger.
B. It is closer to Earth than all other stars.
300
Which of these in the water cycle process produces precipitation? A. Soil B.Clouds C. Sun D. transpiration
B. Clouds
300
An example of an opaque object is. . . A. a clear plastic bag B. aluminum foil C. wax paper D. a clear plastic cup
B. aluminum foil
300
A girl is pushing a box up a inclined plane. How would the box's motion change if the girl used a greater force? A. the direction of motion would change B. the speed of the box would increase C. the speed of the box would decrease D. the box would stop moving
B. the speed of the box would increase
300
Food chains always start with. . . A. a decompose like a worm B. a producer like a plant C. a consumer like a cow
B. a producer like a plant
400
The Earth rotates on its. . . A. axis B. poles C. equator D. Orbit
A. axis
400
What is fog? A. a type of rain B. sleet that has melted C. a cloud near or on the ground D. tiny droplets of rain that are frozen together
C. a cloud near or on the ground
400
If an object vibrates quickly, it will produce a A. high pitch B. low pitch
A. high pitch
400
A pulley is a simple machine that makes work easier by. . . A. lifting things B. turning things C. holding things together D. pushing materials outward
A. lifting things
400
If all of the frogs in a pond suddenly left a pond ecosystem, what is likely to happen? A. there will be more insects B. there will be less insects C. the number of insects will not change D. the number of plants will decrease
A. there will be more insects
500
What is the source of the moon's light? A. Earth B. the moon C. the sun D. the stars in the night sky.
C. the sun
500
Which instrument measure air pressure? A. thermometer B. barometer C. anemometer D.hygrometer
B. barometer
500
A raindrop splits sunlight into different colors of light. This also happens in A. camera B. convex lens C. prism D.microscope
C. prism
500
A force is . . . A. the measure of how fast something moves B. a push or pull C. the amount of space an object takes up
B. a push or pull
500
Which adaptation helps an eagle catch its prey? A. physical adaptation, its claws B. behavioral adaptation, its claws C. physical adaptation, its ability to migrate D. behavior adaptation, its ability to migrate
B. behavioral adaptation, its claws
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