Front

How old is most of the water we drink today?

Back

Most of the water we drink today is millions of years old.

Front

What form is water vapor?

Back

Water vapor is water in gas form.

Front

What is the constant motion of water condensing and evaporating called?

Back

The constant motion of water condensing and evaporating is called the water cycle.

Front

When does water evaporate fastest?

Back

Water evaporates fastest on a hot day.

Front

What are clouds made out of?

Back

Clouds are made out of tiny water droplets.

Front

What is evaporation?

Back

Evaporation is the process where liquid water turns into water vapor (gas).

Front

What is condensation?

Back

Condensation is the process where water vapor cools and turns back into liquid water.

Front

What is precipitation?

Back

Precipitation is any form of water that falls from the sky, such as rain, snow, or hail.

Front

What role do plants play in the water cycle?

Back

Plants release water vapor into the air through a process called transpiration.

Front

What is the sun's role in the water cycle?

Back

The sun provides energy that heats water, causing it to evaporate.