Front

What is the energy source that drives the water cycle?

Back

The sun.

Front

What are clouds made of?

Back

Water.

Front

What is evaporation in the water cycle?

Back

The process where water changes from liquid to vapor.

Front

What happens during condensation in the water cycle?

Back

Water vapor cools and changes back into liquid, forming clouds.

Front

What is precipitation?

Back

Water that falls from clouds as rain, snow, sleet, or hail.

Front

What is the process of water moving from the ground to the atmosphere?

Back

Evaporation.

Front

What forms when water vapor condenses?

Back

Clouds.

Front

What is runoff in the water cycle?

Back

Water that flows over the ground and returns to rivers, lakes, and oceans.

Front

What role does heat play in the water cycle?

Back

Heat causes water to evaporate.

Front

What is transpiration?

Back

The process where plants release water vapor into the air.