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What is the process of turning a solid into a liquid by heating it called?

What is the process of turning a solid into a liquid by heating it called?
Answer

The process of turning a solid into a liquid by heating it is called melting. It happens when a substance reaches its melting point and its particles gain enough energy to move past each other as a liquid.

Explanation

What the question is asking

You are being asked to name the change of state that happens when heat is added to a solid and it becomes a liquid.

Matching the change of state to the definition

  • Solid to liquid (by heating) is melting.
  • The temperature where this change happens is the melting point.

Quick check with an example

Ice is solid $H_2O$. When you heat it to about $0^\circ C$ (at normal atmospheric pressure), it melts into liquid water.

Related terms (to avoid confusion)

  • Freezing: liquid to solid
  • Evaporation/boiling: liquid to gas
  • Condensation: gas to liquid
  • Sublimation: solid to gas (without becoming liquid first)
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Skills You Achive
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