Having some fun with air pressure, , Homemade Science with Bruce Yeany

A recent visit to my old classroom resulted in some fun demonstrations with air pressure. A few materials such a small vacuum cleaner, garbage bags, and tape are used to present classic examples of pressures changes such as vacuum packing students in a plastic bag and lifting students using a garbage bag pillow all leading up to the final challenge of trying to see if I can lift the whole classroom using the pressure exerted by one small shop the body in newspaper is an exploratorium activity to find the total surface area of a