Air Takes Space #3

Suggested Grades



This demonstration, will show students that air takes space.


  • glass jar
  • Styrofoam packing peanut
  • clear basin of water (glass bowl or aquarium)


  • Float the packing peanut on the surface of the water.
  • Ask students what will happen if you place the jar upside down over the peanut in the water.
  • Place the jar over the peanut and push straight down into the water. The peanut will be pushed to the bottom of the water.
  • You can combine this with putting paper toweling in the bottom of the jar as both with show the same thing.
  • The air in the jar kept water from entering the jar (toweling stayed dry) and pushed the peanut before it to the bottom of the basin.