Collecting Rocks

What You'll Learn

Rocks are always changing! Wind, water, and ice break them down very slowly.

Step 1 — Read

Read the introduction. What is this lesson about?

Step 2 — Do

Make a mini water cycle: put warm water in a bowl, cover it with plastic wrap, and place an ice cube on top. Watch what happens.

Step 3 — Observe

Look for something that changed. What is it?

Step 4 — Record

Circle the correct answer on your worksheet.

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What does a thermometer measure?