2. Complete the answers using the word or wordsin brackets.
a) What happens when you heat water to 100°C? (boil)
- If you heat water to 100°C, it boils.
b) What does water turn into when you boil it? (turn into steam)
- If you…
c) What happens when you cool the steam? (turn back into water)
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d) What happens when you heat a piece of metal? (expand)
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e) What happens when you freeze a piece of metal?(contract)
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f) What happens when you freeze water? (expands) Ayuda plisss