18
Lesson 18 of 84 · Earth's History
ExperimentEarth's Atmosphere
What You'll Learn
The atmosphere has several layers. The troposphere (closest to Earth) contains our weather. The stratosphere contains the ozone layer that protects us from harmful ultraviolet radiation.
Key Words
- sedimentary
- fossil
- mineral
Materials Needed
- clay
- water
- plastic tray
- magnifying glass
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
Steps
Step 1 — Read
Read and learn: The atmosphere has several layers. The troposphere (closest to Earth) contains our weather. The stratosphere contains the ozone layer that protects us from harmful ultraviolet radiation.
Step 2 — Do
Follow the procedure carefully, step by step.
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 3What is the atmosphere?