Science

4th -

5thgrade

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Electricity!!

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20 questions

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  • 1. Multiple Choice
    30 seconds
    3 pts

    Why do electricians always wrap wires in plastic?

    Plastic comes in many different colors

    Plastic is a good electrical conductor

    Plastic makes the wires easy to bend

    Plastic is a good electrical insulator

  • 2. Multiple Choice
    30 seconds
    1 pt

    Which of these materials is a good conductor of electricity?

    Rubber

    Metal

    Newspaper

    Glass

  • 3. Multiple Choice
    1 minute
    1 pt

    The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?

    The switch produced an electric current

    Closing the switch broke the circuit

    Closing the switch completed the circuit

    The switch did not make a difference

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