The Carbon Cycle

What You'll Learn

Tsunamis are large ocean waves caused by underwater earthquakes, volcanic eruptions, or landslides. They travel fast across the ocean and grow very tall near shore.

Key Words

atmosphere
earthquake
volcano

Materials Needed

plastic tray
magnifying glass
newspaper
spray bottle

Safety First

Wash hands after handling materials.
Be careful with scissors — ask an adult for help if needed.
Do not look directly at the sun or bright lights.

Steps

Step 1 — Read

Study the diagram and label the parts you recognize.

Step 2 — Do

Model erosion: tilt a tray of soil and pour water from a cup at the top. Observe how channels form. Try adding plants or rocks to slow the erosion.

Step 3 — Observe

Look for patterns in your observations.

Step 4 — Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

Which type of rock forms under heat and pressure?