Earth Science
Astronomy 1
Astronomy 2
Ecology 1
Ecology 2
100

This is the word that means "All the land and rocks on Earth"

Geosphere

100

This is the force that pulls object toward each other

gravity

100

When you look in the night sky, how can you tell which stars are close and which are far away?

See how bright they are.

Brighter stars are closer, dimmer stars are far away.

100

This is the type of air that plants "breath"

Carbon Dioxide

100

This is an organism that can create its own energy

producer

200

This is the state of matter that the outer crust of Earth is in.

solid

200

This is the direction that Earth's gravity always pulls

down

200

The sun appears to move from _____ to _____ in the sky throughout the day

East to West

200

Plants need water, air, and light, but they do not need this.

soil

200

This is an organism that has to eat to get energy.

consumer

300

This is the word that describes the process of rock breaking down, it's strong enough to smooth a mountain.

erosion

300

This is a space rock that got too close to Earth, and the Earth's gravity pulled it in

meteor

300

Because your shadow points away from the sun, when the sun rises in the East, your shadow points what direction?

West

300

This is the name of the process plants use to make their own food.

photosynthesis

300

This is an organism that breaks down dead things to put their nutrients back in the soil.

decomposer

400

Wind, _____, and living things are the major agents of erosion

water

400

The _____ a light source is to you, the brighter it looks

closer

400

Is your shadow shortest when the sun is rising, high overhead, or setting?

high overhead

400

This is the word that means "a picture of who eats what in an ecosystem"

food chain or food web

400

Give an example of a producer

(answers vary)

500

When you throw a ball, it goes forward and down. What force pulls it down?

gravity

500

This is the reason why the sun looks so bright to us

It is much closer to us than any other stars

500

Throughout the day, your shadow gets _____ and then _____.

shorter and then longer

500
What is a simple definition of the word "organism"?

living thing

500

Give an example of a decomposer

(Answers vary)

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