Matter
Ecosystems
Earth Systems
Orbit and Rotation
Mixed Science
100

The state of matter of water vapor.

Gas

100

The primary source of energy for most ecosystems on Earth.

Sunlight

100

Plants are part of the Earth's 

Biosphere

100

The sun is a star.

True

100

The sun rises in the.....

East

200

Tightly packed particles

Solid

200

Ecosystems include rivers, lakes, ponds, streams, and some wetlands.

Freshwater

200

Greenhouse gases are part of the Earth's 

Atmosphere

200

The sun sets in the...

West

200

Where the food chain start.

Producers

300

The state of matter of an ice cube.

Solid

300

 An ecosystem consists of :

living and non -living organisms within an  environment

300

Water is part of the Earth's

Hydrosphere

300

The planet has the longest orbit time.

Mars

300

All desert ecosystems are hot.

False

400

The state of matter of water

Liquid

400

Plants play what role in the flow of energy within an ecosystem?

Producers

400

The soil, rock, and land that makes up earth.

Geosphere

400

Causes Earth to orbit the sun.

Force of gravity

400

This happens to the particles in matter when it is heated up.

Particles speed up

500

States of matter

Solid, liquid, gas

500

Passed between creatures in a food chain.

Energy

500

All the gases that is found around earth and are found in earth.

Atmosphere

500

The time it takes any planet in our solar system to orbit the sun.

Year

500

The path the Earth follows as it revolves around the sun is the..........

Orbit