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Title: Properties of Gas
Problem: What are the properties of gas?
Materials: two deflated balloons
Procedure:
1. Observe the wind. Wind is air. Air is gas. Can you see the wind?
2. Blow air into the balloon. What happens to the balloon?
3. Weigh the deflated balloon. Weigh the inflated balloon. Which is
heavier?
4. What does it tell you about the air?​