21
Lesson 21 of 84 · Earth Systems
ExperimentGlaciers: Rivers of Ice
What You'll Learn
River systems shape the land over time. Young rivers have steep, V-shaped valleys. Mature rivers meander across floodplains. Old rivers have wide, flat valleys and deltas.
Key Words
- mineral
- climate
Materials Needed
- clear container
- rocks
- sand
- clay
- water
- plastic tray
Safety First
- Dispose of materials properly after the experiment.
Steps
Step 1 — Read
Read and learn: River systems shape the land over time. Young rivers have steep, V-shaped valleys. Mature rivers meander across floodplains. Old rivers have wide, flat valleys and deltas.
Step 2 — Do
Create a labeled diagram of what you built or observed.
Step 3 — Observe
Note any unexpected results.
Step 4 — Record
Share your findings with the class or a partner.
Check Your Understanding
Question 1
1 of 3What is a volcano?