Air Pressure Experiments incluing Egg in a Bottle
Plus weve included the classicair pressure can crusherin this introduction to be able to understandhow airplanes fly. Show them an empty soda bottle and ask them what is inside chances are they will say nothing. Now put a balloon over the top. Set 2 liter bottle in boiling water and watch the balloon inflate. (as air is heated the molecules spread out) If it were empty how could it inflate?...