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Air Takes Space

Suggested Grades

2+

Objective

This demonstration will show students that air takes space.

Materials

  • 3 or 4 pop bottles
  • 3 or 4 balloons

Method

  • Begin by asking students if a balloon can be blown up inside bottle.
  • Have a few students come up, push a deflated balloon into one of the bottles and stretch the open end of the balloon over the bottles mouth (you may need to help).
  • Ask each of them to try blowing the balloon up (you may want to have some extra bottles handy as to prevent .
  • Once every student has had a try, have a discussion on some reasons why the balloon would not blow up.
  • (Air takes up space and that is why the balloon would not blow up.)

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