Physical and Chemical Changes

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Physical and Chemical Changes
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physical change

• occurs when some of the properties of a material
  change, but the substances in the material remain
  the same.
• A change in size shape or state

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Examples of physical changes

• Changing shape
• Color change such as painting

• Melting
• dissolving

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Examples of physical changes

• Evaporation
• freezing

• Condensing

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chemical change

• occurs when a substance reacts and forms one or
  more new substances.

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Identifying a chemical change

• change in color
• the production of a gas
• formation of a precipitate.

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Examples of chemical change

• burning

• Gas produced

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Examples of chemical changes

• Precipitate formed

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