28

Lesson 28 of 84 ยท Weather

Experiment

Volcanoes: Hot Rock!

What You'll Learn

Layers of rock tell the story of Earth's history. Older layers are at the bottom!

Key Words

  • desert
  • forest
  • weather

Materials Needed

  • cotton balls
  • food coloring
  • clear container

Safety First

  • Do not look directly at the sun or bright lights.
  • Clean up spills immediately to prevent slipping.
  • Use materials only as directed in the experiment.

Steps

Step 1 โ€” Read

Read the introduction. What is this lesson about?

Step 2 โ€” 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 โ€” Observe

Look for something that changed. What is it?

Step 4 โ€” Record

Circle the correct answer on your worksheet.

Check Your Understanding

Question 1

1 of 3

Where can you find fossils?