8

Lesson 8 of 84 ยท Earth Systems

Experiment

The Rock Cycle

What You'll Learn

Erosion moves weathered rock and soil from one place to another by water, wind, ice, or gravity. Rivers carve valleys, wind shapes sand dunes, and glaciers grind mountains.

Key Words

  • fossil
  • mineral
  • igneous

Materials Needed

  • cotton balls
  • food coloring
  • clear container
  • rocks
  • sand
  • clay

Safety First

  • Handle glass items carefully to avoid breakage.
  • Do not mix unknown chemicals together.
  • Tie back long hair before starting the experiment.

Steps

Step 1 โ€” Read

Read and learn: Erosion moves weathered rock and soil from one place to another by water, wind, ice, or gravity. Rivers carve valleys, wind shapes sand dunes, and glaciers grind mountains.

Step 2 โ€” Do

Compare your results with a partner.

Step 3 โ€” Observe

Observe what happens and describe it in detail.

Step 4 โ€” Record

Record your observations in your science journal.

Check Your Understanding

Question 1

1 of 3

What is the rock cycle?

The Rock Cycle โ€” Earth Systems | 7th Grade Science | LittleActivity | LittleActivity