Question

when fluids are heated they expand or contract​

Answer 1

Answer:

Liquids expand when heated and they contract when cooled. Think about mercury in a thermometer! Ice however, expands when it freezes. As the water molecules lose heat, they vibrate less, and are able to form geometric patterns that take up more space.

Explanation:

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Answer 2

Heating up anything (fluids too) will leads to

Expansion.

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