4th-6th graders learn about how temperature and air pressure interact

New School Montessori students in 4th-6th grade learned how temperature and air pressure interact. For their experiment, students placed a balloon on top of two identical bottles. One bottle was placed in hot water, and the other was placed in cold water. Almost instantly they could see that the balloon in the hot water expanded, and the balloon in the cold water collapsed. This demonstrated that hot air expands and cool air condenses.

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