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  • Physical changes
  • chemical changes

You must understand that matter can be in any one of three PHYSICAL states, liquid, solid or vapor ( a gas ).

Changing physical states is not a chemical change, but a direct result of heat or cold application.

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Related Questions

What are two main classifications of matter?

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What are the two main classifications of matter?

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Melting of ice to form water is a physical change in matter as the substance changes from solid to liquid state without altering its chemical composition. Combustion of wood to produce ash, heat, and light is a chemical change in matter as the wood undergoes a chemical reaction to form new substances.


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What two things cause changes in matter?

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What are the two changes of state in matter?

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