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LIFT AN ICE CUBE WITH A TOOTHPICK

Equipment
- A bowl of water
- An ice cube
- A toothpick
- Some salt

 


Instructions
1.- Float the ice cube in the bowl of water.


2.- Lay the toothpick carefully on the top of the ice cube.


3.- Sprinkle a little salt around the toothpick.


4.- Wait a few seconds and try to use the matchstick to lift the ice cube.

 


How it works
When you sprinkle salt onto the ice cube, it makes the ice around the matchstick melt. This is because salty water freezes at a lower temperature than fresh water. But no salt falls under the toothpick and it becomes frozen again into ice. This allows you to lift the ice cube with the toothpick.

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