Marvin and Milo
Explore physics the exciting way, by trying out a simple and fun experiment. This month, Walking Water Don't forget to check back next month for the next edition...
What you need
- a metal coat hanger
- two pieces of string
- a fork
- Tie a piece of string to each corner of the coat hanger and wrap the ends around your fingers.
- Put your fingers in your ears and ask your friend to tap the hanger with the fork.
Results & explanation
It sounds louder because vibrations travel through the metal and string more easily than through air.
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