Science

6th -

8thgrade

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Physical and Chemical Changes

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Which of the following is a sign that a chemical reaction has occurred?
    change in shape
    melting
    formation of a gas
    dissolving
  • 2. Multiple Choice
    1 minute
    1 pt
    Image

    Is melting butter for popcorn a chemical or physical change?

    chemical

    physical

  • 3. Multiple Choice
    30 seconds
    1 pt
    Which of the following is NOT an example of a physical change?
    crumpled paper
    pencil sharpening
    shrunken clothing
    rust
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