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Assessment
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To assess how your students have adjusted their concept of the nature of air, give them the following picture examples and ask them the question that accompanies each one:
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Complete this investigation by asking your students to reflect on this question and how their answers may have changed as a result of this investigation. Air affects things, which means that it exerts a force. Realizing that air affects things will help them recognize that even though it is invisible, air is still matter. |
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