Do you remember when I said that heat and temperature are two different things? Heat is energy – it is thermal energy. It can be transferred from one object to another.
Here’s what you do:
- Find your balloon.
- Put the balloon under the faucet and fill the balloon with a couple of tablespoons of water. Not too much!
- Now blow up the balloon and tie it, leaving the water in the balloon.
- You should have an inflated balloon with a tablespoon or two of water at the bottom of it.
- Have your adult helper carefully light the candle. Don’t do this next to your computer… do it in the sink.
- Hold the balloon over the candle carefully for a couple of seconds.
- Did it pop?
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Water is very good at absorbing heat without increasing in temperature which is why it is used in car radiators and nuclear power plants. Whenever someone wants to keep something from getting too hot, they will often use water to absorb the heat.
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