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Investigation Question 2:
How can you tell air is "something?"
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Preparation
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Teaching and Learning Focus
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In Investigation Question 1 students recognized that air affects other
things, which is the result of the fact that it is matter. This simple
procedure will help your students to understand that air is "something,"
that is, that like all matter it takes up space and can be contained.
They will learn this by seeing that air takes up the space in a cup that
is inverted in water such that objects in the cup do not get wet.
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Materials Needed
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- Bag of fluffy cosmetic puffs or cotton balls
- Clear plastic drink cup
- Clear glass or plastic container - big enough to hold the completely
submerged cup
- Water
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Safety
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This investigation question is considered generally safe to do with students.
However, please review it for your specific setting, materials, students,
and conventional safety precautions.
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