Air has weight

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Level: Novice

Overview: Air has weight


  • Yardstick
  • Two balloons
  • A hanger
  • Tape
  • String or thread


  • You will need a yardstick, two balloons, a hanger, tape, and string or thread.
  • Suspend the yardstick from a hanger by attaching a string to the middle of it. Make sure to find the exact middle of the yardstick.
  • Tape or tie each balloon to the ends of the yardstick. Make sure your yardstick is balanced.
  • Remove one of the balloons and blow it up. Tie a knot to keep it closed. Replace it to the exact same spot on the yardstick.

Question to ask:

What do you hypothesize will happen ?

Is the yardstick still balanced? Why?

Other Experiments: