Zackary Dunn 4th period

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Chemical $ Physical Change

Chemical $ Physical Change

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  • 1. Chemical & physical change By Zackary Dunn 9/18/2009 4 period
  • 2. Definition
    • Physical change= a force in any influence that can produce a change in the velocity of an object.
    • Chemical change= a rearrangement of the atomic array of matter which results in a change of physical properties.
  • 3. Chemical change
    • Chemical change= a rearrangement of the atomic array of matter which results in a change of physical properties.
    • Explains chemical change= using models to show how atoms become rearranged during a chemical.
  • 4. Physical change
    • A force in any influence that can produce a change in the velocity of an object.
    • A physical change in state (a solid to liquid to gas, or solid to gas.)
    • Is a physical change because the change composition of the material do not change.