53
Lesson 53 of 84 ยท Earth Systems
ExperimentEarth's Atmosphere (Part 2)
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
- earthquake
- volcano
- atmosphere
Materials Needed
- cups
- thermometer
- rain gauge
- cotton balls
- food coloring
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
- Do not taste any materials.
Steps
Step 1 โ Read
Read the introduction and identify the main idea of this lesson.
Step 2 โ Do
Create a model of the water cycle in a bowl: place warm water in a bowl, cover with plastic wrap, put ice on top, and observe condensation and precipitation.
Step 3 โ Observe
Look for patterns in your observations.
Step 4 โ Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is the atmosphere?
