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Physical and Chemical Changes

Physical and Chemical Changes. utah.agclassroom.org. Physical Change. Physical change is a change that occurs that does not change the identity of the substance. Examples include: >Melting ice >Freezing Kool-Aide >Tearing paper >Boiling water. Chemical Change.

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Physical and Chemical Changes

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  1. Physical and Chemical Changes utah.agclassroom.org

  2. Physical Change Physical change is a change that occurs that does not change the identity of the substance. Examples include: >Melting ice >Freezing Kool-Aide >Tearing paper >Boiling water

  3. Chemical Change Chemical change is a change that occurs causing the identity of the substance to change. Examples include: >Burning wood >Digesting food >Potassium reacting with water A chemical change can also be called a chemical reaction.

  4. Indicators of a Chemical Change Indicators of a chemical change can include: >Light is produced >Heat is either absorbed or produced >Gas is produced >There is a change in color >Formation of a precipitate (a solid in a liquid)

  5. Is it a Chemical or a Physical Change Adapted from: www.dpi.state.nc.us/docs/curriculum/science/units/.../8unit2pt2.ppt

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