Air takes up space!

You will need:

 

• water filled clear container
• clear glass
• tissue paper
• ping pong ball
  
  Copyright

Instructions

1. Place the ping pong ball on the top of the water.

2. Put the glass over the top of the ping pong ball and push down all the way to bottom of the container.

3. The ball goes to the bottom of the container.

4. Now put some tissue paper in the bottom of the glass and repeat the experiment.

   ... the tissue doesn't get wet due to air being in the glass. Simple!

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