• Penny, or Any Other Type of Coin
  • Water
  • Pipette
  • Towel


  1. Make sure that your coin is on a flat surface and your pipette is full with water.
  2. Using your pipette, carefully drop water onto the center of the coin.
  3. Add drops of water onto your coin, one at a time, keeping count.
  4. When the water spills over, try again to see how many drops of water you can get on your penny!

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