In the Pressure Mat Demonstration Kit for physical science and physics, dramatically show atmospheric pressure in action. Use atmospheric pressure to pick up a lab stool.
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Dramatically show atmospheric pressure in action! Use atmospheric pressure to pick up a lab stool or to make a deceptively ordinary rubber mat nearly impossible to lift off a table. Simply place the Pressure Mat in the center of the seat of the lab stool and then quickly pick it up—the lab stool will be “stuck” to the mat and lifted off the floor. Place the Pressure Mat flat on a lab table and have students attempt to pick it up by its handle—and discover just how strong atmospheric pressure really is. The thick, durable rubber Pressure Mat will withstand years of demonstrations. Complete instructions and a reproducible student worksheet are provided.
Concepts: Force, pressure, surface area, atmospheric pressure.
Time Required: 10 minutes
Note: A flat-seated, wooden lab stool, such as AP6208, is recommended for the lab stool lift demonstration.