69
Lesson 69 of 84 · Land and Water
ExperimentErosion: Water Wears Away Rock (Part 3)
What You'll Learn
Rivers flow from high places to low places, carrying water, sand, and tiny rocks along the way.
Key Words
- wind
- storm
- season
Materials Needed
- plastic tray
- magnifying glass
- newspaper
- spray bottle
- cups
Safety First
- Protect your work surface with newspaper or plastic.
Steps
Step 1 — Read
Read and learn: Rivers flow from high places to low places, carrying water, sand, and tiny rocks along the way.
Step 2 — Do
Build or make something using your materials.
Step 3 — Observe
Draw a picture of what you observe.
Step 4 — Record
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3What happens when the sun heats water?