25
Lesson 25 of 84 · Earth Systems
ExperimentThe 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
- newspaper
- spray bottle
- cups
- thermometer
- rain gauge
Safety First
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- Dispose of materials properly after the experiment.
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 3Which type of rock forms under heat and pressure?