In this lesson, you will learn about air: the thing that occupies all of the “empty” space around you. Through a series of visuals and demonstrations, you will discover what it is, where it came from, and how it moves. First, you will see how it takes up space by trying to pour water into a space filled with air. Then, since air is invisible, you will use two different tools to see how heating and cooling air can make it move.
What you’ll learn:
- Air takes up space.
- When air gets hot, it becomes less dense and can float on top of cool air.
- Cool air wants to be where warm air is.
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