The Water H2O Cycle

1
The Water (H2O) Cycle

• Fourth Grade Science

2
The Sun

• The suns energy is necessary to power the
  water cycle.

3
Evaporation

• The sun warms the water in the ocean, causing
  it to change from water (liquid) to water vapor
  (gas).

4
Condensation

• Once the warm gas hits the cooler air it
  changes back into a liquid and forms a cloud.

5

• Tiny water droplets bounce around in the
  cloud. As they hit each other, they stick
  together and become larger.

6
Precipitation

• Once they become so heavy, the cloud can no
  longer hold them. It begins to precipitate.

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Precipitation can be

• Rain
• Snow
• Sleet
• Hail

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Precipitation collects in

• Rivers
• Lakes
• Oceans

9

• Then what? Right! It starts all over again!
  That is why it is called a cycle.

10

• Sun warms ocean water causing it to EVAPORATE.
  Water vapor CONDENSES to form clouds. Clouds
  become very heavy before beginning to
  PRECIPITATE. Precipitation collects in rivers,
  lakes, and oceans. The sun warms ocean water