Understanding Physical Change

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Definition of Physical Change

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A change in which the form of matter is altered but one substance is not transformed into another.

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Example of Physical Change

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Melting of ice into water.

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Reversibility of Physical Changes

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Often reversible, such as freezing and melting.

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Physical Change vs. Chemical Change

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Physical change alters form, chemical change alters composition.

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Energy in Physical Changes

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Usually involves less energy compared to chemical changes.

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Physical Change in Water

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Evaporation and condensation.

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Physical Change in Metals

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Bending or reshaping.

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Physical Change in Solids

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Cutting or breaking.

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Physical Change in Liquids

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Mixing without reacting.

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Physical Change in Gases

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Compression or expansion.