HOW TO HEAR 

THROUGH YOUR TEETH

You just need a radio, earplugs, and a toothbrush.

Make sure your radio has just one speaker, not two. This will make it easier for your teeth to “hear” all the sounds.

Edison did it. So can you.

1. Turn on the radio.

2. Put the earplugs into your ears. Can you hear the radio? If not, good!

4. Touch the other end of the toothbrush to the radio’s speaker. 

3. Place the toothbrush into your mouth.

OR, try it another way. . .

5. Now listen! Your teeth connect to your jaw. Your jaw connects  to your ear bones. You can hear the radio through your teeth. 

Use: • an old record you don’t mind scratching up • a pencil • a rubber band • a skewer • tape • a pin

Put the pencil into the hole of the record. Twist a rubber band onto the underside of the pencil to hold it in place. Tape the pin to the end of the skewer. The grooves on the record match the sound waves your ear (or teeth!) will pick up. Stick one end of the skewer into your mouth, and set the other in a groove on the record. Spin the record. Try it fast. Try it slow. Listen with your teeth! If you do try this at home, take a short video of your experiment and send it to us at                                                           .  Faith comes from hearing, and hearing through the word of Christ. — Romans 10:17

WORLDkidseditor@wng.org