Question

15. During heating or expansion,
the
of the matter
does not change.​

Answer 1

•) Matter can change from one state to another by heating or cooling. When matter changes state, it does not change what it is.

•) All three states of matter (solid, liquid and gas) expand when heated.

•) The atoms themselves do not expand, but the volume they take up does. When a solid is heated, its atoms vibrate faster about their fixed points.

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