Water Cycle
Nitrogen Cycle
Carbon Cycle
Atmosphere Layers
100

The movement of water through our environment.

What is the water cycle?

100

The movement of nitrogen through Earth and its atmosphere.

What is the nitrogen cycle?

100

The flow of carbon from living things to carbon reservoirs and back again. 

What is the carbon cycle? 

100

The lowest atmospheric layer.

What is the troposphere?

200

How water travels from earth to the atmosphere.

What is through evaporation?

200

The largest nitrogen reservoir.

What is the atmosphere?
200

Plants use carbon during this process.

What is photosynthesis?

200

The atmospheric layer that contains jet streams.

What is the stratosphere?

300
The process when water forms clouds.

What is condensation?

300

Bacteria are necessary to do this for nitrogen.

What is convert it to fixed nitrogen?

300

How carbon from living things enters the soil.

What is when they die or decay?

300

The atmospheric layer that has the auroras.

What is the thermosphere?

400

The process where water falls from clouds to earth.

What is precipitation (rain)?

400

A source of fixed nitrogen from the atmosphere.

What is lightning?

400
How carbon compounds enter water sources.

What is they dissolve?

400

The transition layer between Earth's atmosphere and space.

What is the exosphere?

500

The change in state when water is evaporated.

What is from a liquid to a gas?

500

How nitrogen travels from plants to animals

What is through consumption? 

500

How carbon travels from plants to the atmosphere.

What is by respiration?

500

The primary gas in our atmosphere.

What is nitrogen?