SOUND WAVE EXPERIMENT
What You Need
- Two different sized metal spoons
- A friend
- Create a loop in the middle of your string.
- Put the handle of one spoon through the loop and pull it tight. Tie a knot.
- Wrap each end of the string around your pointer fingers and hold the string against each ear.
- Have your friend gently tap the ruler against the round part of the spoon. What do you hear?
- Try it with a larger or smaller spoon and see what happens!