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Magnets and Electromagnets

Created by rlhouse

Fun Trivia : Quizzes : Science for Kids
Magnets and Electromagnets game quiz
"Just a quick look at the basics of magnets and electromagnets."

15 Points Per Correct Answer - No time limit  



1. When talking about magnets, what word is the opposite of attract?
    Gravity
    Compass
    Repel
    Rebel


2. If you hang a magnet so it is free to swing and turn, what have you created?
    Compass
    Watch
    Flux capacitor
    Nothing


3. If I bring a North and South Pole together which word or phrase best describes what happens?
    Repulsion
    Brownian motion
    Reaction
    Attraction


4. Which pole of a magnet in a compass points north?
    South Pole
    None of these
    Neutral Pole
    North Pole


5. What advantage does an electromagnet have over a permanent magnet?
    A permanent magnet cannot be used to pick up nickel.
    An electromagnet can be used for picking up more metals.
    An electromagnet can be switched off.
    An electromagnet is lighter.


6. How can an electromagnet be made stronger?
    Add an iron core.
    Add more coils of wire.
    Increase the voltage.
    All of these answers are correct.


7. Which of these devices uses a magnet or electromagnet to make it work?
    All of these devices use a magnet or electromagnet.
    An electric bell
    A microchip
    A compact disc


8. Which of these metals are attracted to a magnet?
    Cobalt
    Iron
    Nickel
    All of these.


9. In which direction do the field lines go around a magnet?
    It's different for every magnet
    From south to north
    From north to south
    Clockwise


10. Where are the field lines most concentrated around a bar magnet?
    At the centre.
    At the North Pole.
    At the South Pole.
    At both poles.


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Compiled May 20 13