Question

How can matter change to state​

Answer 1

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Matter changes state when energy is added or taken away. Most matter changes because of heat energy. ... When matter is heated enough, the molecules move faster and with greater energy. If enough heat is added, a solid can become liquid and a liquid can become gas.

Answer 2

Matter can be changed from one state to another by supplying a certain required amount of energy.

For Ex.–

Solids can be changed to liquids or gases when supplied with heat energy.