Designed for grades 5 through 8. Teacher will walk around the room with an air cannon.
Teacher places items on top of the head of someone and knocks it over with the air cannon.
Teacher hits the air cannon, so that air will touch someone. Wait for responses. Talk to students about air being everywhere. That it is all around you, even things that look as if they are empty are really full of air. Teacher will tape two apples on strings from a door frame or from something else.