Experiments with Air Pressure - Vacuum Chamber

Are you ready to talk about air? Science Interpreter Fox wants to chat about the impressive and exciting qualities of the gasses that keep us alive. Adult supervision needed.

You will find out that air actually does have weight, and that there are 14.7 psi (pounds per square inch) pushing against your entire body. You have air inside your body pushing back too, and without the air outside your body those internal gases would expand -- and look for a way out. 

Related Topics: physics