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Students investigate and analyze the affect of air pressure on small marshmallows. Students love marshmallows and cool science experiments. This lab activity involves both. In this lab activity, students observe, first hand, the affect of air pressure on matter. Watch students grin as they watch the marshmallows seem to shrink all on their own as pressure is applied. Watch students' grin even more when they see the marshmallows double and triple their original sizes as the air pressure is decreased. As with all my lessons, this activity is field tested and student approved.
Materials needed (per 1 student):
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