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slug Created with Sketch. Experiment The Amazing Stay-Put Pennies

The Amazing Stay-Put Pennies

What You’ll Need
  • five or more pennies
  • one dime
What to Do
  1. Make a stack of five or more pennies on a smooth tabletop.
  2. Lay a dime on the table and flick it or slide it so that it hits the bottom of the stack. The bottom penny will pop out, but the others will stay in a stack.
  3. What keeps the top pennies in a stack? Think of your own best answer before you read the explanation below.
How It Works

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