With the help of an example, describe how substance expand on heating and contract on cooling

With the help of an example, describe how substance expand on heating

1.	With the help of an example, describe how substance expand on heating and contract on cooling
Answer» Many substances expand on heating, Air & water for example since their density decreases and volume increases, HENCE the expansion. They start to move more slowly and get closer together so the substance contracts. All states of MATTER expand when heated and CONTRACT when COOLED.

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With the help of an example, describe how substance expand on heating and contract on cooling​

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With the help of an example, describe how substance expand on heating and contract on cooling