Chemistry, Science

7th -

8thgrade

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Flashback - Changes, Molecules, Reactions

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which of the following would be an example of a chemical change?

    Chopping up a log with an ax

    Dissolving sugar in water

    Burning a piece of paper

    Melting an ice cube

  • 2. Multiple Choice
    30 seconds
    1 pt

    Phase Changes are examples of

    Chemical Changes

    Physical Changes

  • 3. Multiple Choice
    30 seconds
    1 pt

    All of the following are clues for a chemical change except

    change in temperature

    change in phase

    color change

    odor

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