Cycles of Matter

Front

What gas do producers take in during the carbon cycle?

Back

Carbon dioxide.

Front

How does carbon from grass become part of a lion?

Back

The carbon ends up in the lion's food chain.

Front

What are snow, sleet, hail, and rain examples of?

Back

Precipitation.

Front

What cycle is characterized by the movement of nitrogen through the environment?

Back

The Nitrogen cycle.

Front

What makes up 78% of the air we breathe?

Back

Free nitrogen.

Front

What is the process called when water vapor cools and changes into liquid water?

Back

Condensation.

Front

What is the term for the continuous movement of water on, above, and below the surface of the Earth?

Back

The Water cycle.

Front

What is the process by which plants release water vapor into the air?

Back

Transpiration.

Front

What is the term for the conversion of nitrogen gas into a form usable by plants?

Back

Nitrogen fixation.

Front

What is the role of decomposers in the cycles of matter?

Back

They break down dead organisms, returning nutrients to the soil.