Crafts

SOUND WAVE EXPERIMENT

What You Need

  • String
  • Two different sized metal spoons
  • Ruler
  • A friend

Directions

  1. Create a loop in the middle of your string.
  2. Put the handle of one spoon through the loop and pull it tight. Tie a knot.
  3. Wrap each end of the string around your pointer fingers and hold the string against each ear.
  4. Have your friend gently tap the ruler against the round part of the spoon. What do you hear?
  5. Try it with a larger or smaller spoon and see what happens!