PBS KIDS GO!dragonflytv

Find out when DragonflyTV is on in your town.
Do It
pennies on bridge grab
  • 2 stacks of books
  • index cards
  • lots of pennies
  1. Make 2 equal stacks of books.
  2. Lay one index card over the gap between the books.
  3. Count the number of pennies you can put on the bridge before it collapses.
  4. Now try using a folded card.
what happened?
Try the experiment, tell us what happens and watch DFTV for your results! How many pennies can your bridge hold?

  view results
dragonflytv PBS Kids Go!