Hello if anyone could help it would be great. Why is cooler material more dense than warmer material?

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Hello if anyone could help it would be great. Why is cooler material more dense than warmer material?

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Verity 3 years 2021-08-19T09:51:39+00:00 1 Answers 8 views 0

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  1. Helga
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    2021-08-19T09:53:07+00:00
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    Cooling a substance causes molecules to slow down and get slightly closer together, occupying a smaller volume that results in an increase in density. Hot water is less dense and will float on room-temperature water.

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