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Air Pressure Mat

One of the best air pressure demos we've ever seen!

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$29.99

Item #: WATM-100

Usually ships the next day.

Recommended for age 8 and up with adult supervision.

Availability: In stock

One of the best air pressure demos we've ever seen! Place the rubber mat on a flat surface and ask a volunteer to lift the mat by the handle. It's like the mat is glued to the table! Of course, you have no problems lifting the mat. It's atmospheric pressure in action. Use the Air Pressure Mat to lift a stool or a small table. A great way to show that suction cups stay stuck because of the pushing force of air, not from a pulling "suction" force. Mat measures 10.5" x 10.5".

What's Included?
Mat measures 10.5" x 10.5". You're buying the amazing Air Pressure Mat... not the stool! The activity guide is included.
How Does It Work?

Place the mat down on a smooth, flat surface. Reach down and pick it up by its edge. No big deal! Okay, let's do it again, but this time you have to lift the mat by only holding onto the hook. Hey, it's not so easy, is it? In fact, it's down right impossible! Let's rule out the obvious no one glued the mat to the table nor did someone secretly pound nails into the rubber mat. Whenever you want to pick up the mat, just lift it by the corner or the edge. The mat is held down by atmospheric pressure, which is approximately 15 pounds per square inch. A quick calculation leads to a total of 1,620 pounds of pressure pushing down on the mat!

Customer Reviews

quite simple but should be improve Review by Martin Roy

Woks well but instead of the open hook, you should think about modifying it. Because when you pull, the force you produce is not centered on the mat. I would recommend a that you closed the hook and bent it a little so that when you pull the force is centered. And the kind of rubber used smells a lot. I bought one somewhere else and had almost no scent. (Posted on 4/24/13)

Air pressure mat great tool for class demo Review by Melissa Ferri

Great tool for explaining how the column of air is sitting on top of the mat pushing down, instead of mat is sucking to the table top! I have to say a lot of my kids have been able to pull it up, but it's taking a good deal of muscle! (Posted on 4/2/13)

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