What Are the 3 Physical Changes in Matter? Melting, Freezing, and Evaporation Explained

Learn about the 3 physical changes—melting, freezing, and evaporation—that transform matter without changing its chemical composition.

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The 3 physical changes are melting, freezing, and evaporation. Melting is when a solid turns into a liquid, freezing is when a liquid turns into a solid, and evaporation is when a liquid turns into a gas. These changes do not alter the chemical composition of the substance.

FAQs & Answers

  1. What is a physical change? A physical change is a transformation in the state or appearance of a substance without altering its chemical composition.
  2. How is melting different from evaporation? Melting is the change from solid to liquid, while evaporation is the change from liquid to gas.
  3. Do physical changes affect the chemical properties of a substance? No, physical changes do not alter the chemical properties or composition of a substance.