Search Results
Showing results 1 to 2 of 2

Do Cities Affect the Weather?
Source Institutions
In this activity, learners explore clouds and how they form.

Turning the Air Upside Down: Warm Air is Less Dense than Cool Air
Learners cover a bottle with a balloon. When they immerse the bottle in warm water, the balloon inflates. When they immerse the bottle in a bowl of ice, the balloon deflates.