Magnetism and Electromagnetism
3 years ago
vanderwolde
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15 QuestionsShow answers
  • Question 1
    30 seconds
    Q. _______ magnets have a North pole and a South pole.
    answer choices
    No
    Some
    All
    Broken
  • Question 2
    30 seconds
    Q. The relationship between electricity and magnetism is called
    answer choices
    electrical energy.
    induced current.
    electromagnetism.
    ferromagnetism.
  • Question 3
    60 seconds
    Q. This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
    answer choices
    Add more coils of wire to the nail.
    Use a smaller battery.
    Reverse the poles of the magnet.
    Remove all the coils and the nail.
  • Question 4
    30 seconds
    Q. Surrounding every magnet is a(n) __________  __________.
    answer choices
    magnetic field
    electrical current
    smaller magnet
    funny saying
  • Question 5
    30 seconds
    Q. What kind of magnet can be turned on and off?
    answer choices
    a refrigerator magnet
    an electromagnet
    magnetite
    iron
  • Question 6
    30 seconds
    Q. When two magnetic North poles are brought close to each other, they will
    answer choices
    attract
    repel
    create sparks
    cancel each other out
  • Question 7
    30 seconds
    Q. When two magnetic South poles are brought close to each other, they will
    answer choices
    attract
    repel
    create sparks
    cancel each other out
  • Question 8
    30 seconds
    Q. When a magnetic South pole is brought close to a magnetic North pole, the magnets will
    answer choices
    attract
    repel
    create sparks
    cancel each other out
  • Question 9
    30 seconds
    Q. When a magnet is able to move freely, its North pole will
    answer choices
    spin wildly
    point to the Earth's South pole
    point to the Earth's geographic North pole
    point to the Earth's magnetic North pole
  • Question 10
    30 seconds
    Q. Which of the following is NOT magnetic?
    answer choices
    zinc
    iron
    cobalt
    nickel
  • Question 11
    45 seconds
    Q. When magnetic field lines are drawn, how do they look?
    answer choices
    straight lines
    criss-crossed lines like X's
    curved lines from N to S pole and outwards
    lines extending outward in all directions like drawing the Sun
  • Question 12
    45 seconds
    Q. What's the difference between a solenoid and an electromagnet?
    answer choices
    Solenoids do not use a power source.
    Electromagnets include a nail inside the coils.
    Solenoids include a nail inside the coils.
    Electromagnets do no use wire.
  • Question 13
    45 seconds
    Q. Which will make an electromagnet WEAKER?
    answer choices
    more coils of wire around nail
    an extra battery attached
    thicker wire
    remove one of the nails from the coils
  • Question 14
    45 seconds
    Q. If two magnetic South poles are brought near each other, what would the magnetic field lines look like?
    answer choices
    the lines would connect between the poles
    the lines would move out, but then curve away from each other
    the lines would curve like an "S"
    since South poles repel, there would not be any lines
  • Question 15
    30 seconds
    Q. A magnet is attracted to a soup can because the can has
    answer choices
    a South pole.
    a North pole.
    a magnetic field.
    iron in it.
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