Boiling water in a paper cup
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Back to 4B - Heat and the first law
PIRA index: 4B50.20
Description
A paper cup alone burns when put in contact with a flame; a paper cup filled with water won't.
Equipment
- Paper cups
- Flame source (torch, candle, lighter, etc)
- Water
- Support with clamps
Instructions
- Install the paper cup over a flame.
- (Optional) Burn the first paper cup without water to show it is indeed flammable.
- Put water in the (second) cup and light the candle/torch.
- Wait for the water to boil
Note: The cup with water may burn a little depending on its design but what is actually containing the water won't burn.
Keywords
water, paper cup, latent heat
