In this Unit, the students continue to broaden their understanding of the gaseous state of matter by focusing on the properties of air. Through investigations, observations, and experiments, students will discover that gases such as air take up space, have mass, and expand when heated. In addition, students learn that to a large degree the ability to fly - of both living creatures and aircraft - depends on forces related to air pressure.
As students investigate the properties of air, they begin to understand how it can be a means to achieve lift, movement, and control in flying devices
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