Chemistry

9th -

12thgrade

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Physical & Chemical Properties & Changes

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20 questions

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  • 1. Multiple Choice
    30 seconds
    5 pts

    A student mixes yellow powder with water. Which observation would prove a CHEMICAL change occurred?

    The powder DISSOLVED in the water

    The water turned the COLOR yellow

    The bag's TEMPERATURE changed

    The STATE OF MATTER changed

  • 2. Multiple Choice
    30 seconds
    5 pts

    Which of the following options provides evidence of a CHEMICAL change?

    Wood is burned releasing ash and smoke

    Rocks separate when soil is sifted

    Water turns to ice when you put it in the freezer

    Salt dissolves in water

  • 3. Multiple Choice
    30 seconds
    12 pts

    Which of the following examples provides evidence of a PHYSICAL change?

    Wood is burned and releases ash and smoke

    Iron rusts over time

    When mixed, baking soda and vinegar form gas bubbles

    A piece of paper changes shape when you rip it up

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