Bells in my ears

Bells in my ears

You will need:

• A spoon
• A piece of string about 55-60 cm long
• A table 

1. In the middle of your string you need to tie a knot to your spoon, make sure you your knot is strong making sure the spoon won't fall off.

2. At both ends of the string make a small loop big enough for your index finger to fit in. The spoon should be in the middle of the string. 

3. Then put your fingers through each loop and put your fingers in your ears. 

4. Tilt your body forward so that the spoon is suspended in the air. The string should be low enough to be able to easy hit the table.

5. Rock your body backwards and forwards making the spoon hit the table in front of you.

What happens?

As the spoon hits the table you should hear what sounds like a chime or bell. (make sure you don't touch the spoon while it hits the table as you won't hear the chime)

The scientific reason

When the spoon hits the table, the metal sends a vibration up through the string. The vibration then goes to your brain which then sends a message to your ears causing you to hear a chime sound.