The Sun Warms the Earth (Part 3)

What You'll Learn

The sun warms the land and water, which warms the air. Warm air rises and cool air sinks.

Step 1 — Read

Look at the picture and read the labels.

Step 2 — Do

Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.

Step 3 — Observe

Draw a picture of what you observe.

Step 4 — Record

Share your results with a partner.

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What causes wind?