Cycles

Front

What is transpiration?

Back

The process where plants absorb water through the roots and then give off water vapor through pores in their leaves.

Front

What are clouds formed from?

Back

Clouds are formed when water vapor condenses.

Front

During which stage do clouds form?

Back

Condensation.

Front

What do plants and animals need nitrogen to make?

Back

Protein.

Front

What happens to nitrogen when organisms die and decay?

Back

Their nitrogen returns to the soil.

Front

Define evaporation.

Back

The process by which water changes from a liquid to a gas or vapor.

Front

What is condensation?

Back

The process by which water vapor cools and changes back into liquid water, forming clouds.

Front

What role do clouds play in the water cycle?

Back

Clouds store water vapor and release it as precipitation.

Front

What is precipitation?

Back

Any form of water, liquid or solid, that falls from the atmosphere to the Earth's surface, such as rain, snow, sleet, or hail.

Front

How do plants contribute to the nitrogen cycle?

Back

Plants absorb nitrogen from the soil and use it to create proteins.