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Investigation Question 2:
How does temperature affect air pressure?
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Preparation
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Teaching and Learning Focus
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In this investigation, your students will explore the effect of temperature
on air pressure:
- Changing air temperature changes the space taken up by the air.
- Changing air temperature changes the pressure exerted by air.
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Materials Needed
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For two demonstrations:
- three identical new tennis balls
- access to a refrigerator
- Flip chart and markers
- 2 small toy balloons, same size but different colors
- tape measure or a piece of string long enough to encircle an inflated
balloon
- bowl of ice water
- bowl of water at room temperature
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Safety
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This investigation is considered generally safe to do with students.
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