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Science

9th

grade

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Electricity and Magnetism

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20 questions

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  • 1. Multiple Choice
    15 minutes
    1 pt

    Why are electrical cords covered in plastic or rubber?

    because plastic and rubber are insulators which keeps us safe

    because it looks nicer

    because plastic and wire help conduct electricity

    because wires are color coded based on voltage

  • 2. Multiple Choice
    15 minutes
    1 pt
    Image

    A series circuit will continue to work if one of the light bulbs is unscrewed.

    true

    false

  • 3. Multiple Choice
    15 minutes
    1 pt
    Image

    These magnets will...

    attract

    repel

    nothing will happen

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