Sense of Balance

MATERIALS NEEDED:
  • 2-liter soda bottle
  • water
  • food coloring
  • a friend to help

STEPS TO FOLLOW:

1 Put 2-3 cups of water into the soda bottle.

2 Color the water with a few drops of food coloring.

3 Rest the bottle horizontally on top of your head.

4 Tilt your head to one side.

5 Have a friend observe what happens to the water in the bottle. (The water lags behind and sloshes towards the opposite direction in which the bottle was tilted.)

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Last modified: Tue Mar 24 17:00:10 PST 1998

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