Magnets And A Little More...

30 Questions | Total Attempts: 241

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Magnets And A Little More... - Quiz

Questions and Answers
  • 1. 
    Describe a magnetic field
    • A. 

      A material that attracts other magnets and causes the force that attracts or repels a magnet

    • B. 

      Surrounds a magnet pointing from north pole to south pole and causes the force that attracts or repels a magnet

  • 2. 
    Every magnetic field has poles: true or false
    • A. 

      True

    • B. 

      False

  • 3. 
    An atom is:
    • A. 

      The smallest magnet

    • B. 

      A magnetic field

    • C. 

      A magnetic domain

  • 4. 
    A  magnetic domain :
    • A. 

      Requires a group of atoms with the magnetic fields lined up in the same direction

    • B. 

      Requires only a weak magnetic field to get domains to line up in the same direciton

  • 5. 
    Earth is a magnet and has a magnetic field: true or false
    • A. 

      True

    • B. 

      False

  • 6. 
    What causes earth magnetic field
    • A. 

      Requires only a weak magnetic field to get domains to line up in the same direciton

    • B. 

      A group of atoms with the magnetic fields lined up in the same direction

    • C. 

      The motion of magma near the earths core

  • 7. 
    How often does the earths magnetic field change directions 
    • A. 

      Every four to five thousand years

    • B. 

      Every eight to ten years

    • C. 

      Every four to five million years

  • 8. 
    Define magnet
    • A. 

      A group of atoms with the magnetic fields lined up in the same direction

    • B. 

      A material that attracts other magnets

  • 9. 
    Like magnetic poles
    • A. 

      Repel

    • B. 

      Attract

  • 10. 
    Describe a magnetic field
    • A. 

      A material that attracts other magnets and causes the force that attracts or repels a magnet

    • B. 

      Surrounds a magnet pointing from north pole to south pole and causes the force that attracts or repels a magnet

  • 11. 
    An atom is:
    • A. 

      The smallest magnet

    • B. 

      A magnetic field

    • C. 

      A magnetic domain

  • 12. 
    A  magnetic domain :
    • A. 

      Requires a group of atoms with the magnetic fields lined up in the same direction

    • B. 

      Requires only a weak magnetic field to get domains to line up in the same direciton

  • 13. 
    Earth is a magnet and has a magnetic field: true or false
    • A. 

      True

    • B. 

      False

  • 14. 
    The earths magnetic field
    • A. 

      Deflects charged particles from the sun and is used to determine direction by humans and animals

    • B. 

      Requires only a weak magnetic field to get domains to line up in the same direciton

    • C. 

      Is a group of atoms with the magnetic fields lined up in the same direction

  • 15. 
    What is used to increase or decrease the voltage in ac system
    • A. 

      Transformers

    • B. 

      Voltmeter

  • 16. 
    A material that attracts iron and materials that contain iron is called a(n)
    • A. 

      Atom

    • B. 

      Electron

    • C. 

      Magnet

    • D. 

      Pole

  • 17. 
    The area of a magnet where the magnetic force is strongest is a
    • A. 

      Magnetic pole

    • B. 

      Magnetic field

    • C. 

      Magnetic field line

    • D. 

      Magnetosphere

  • 18. 
    If two magnets were in this order: NS SN they would:
    • A. 

      Repel

    • B. 

      Attract

    • C. 

      Do nothing

  • 19. 
    The smallest particle of an element is known as an:
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

    • D. 

      Atom

  • 20. 
    A particle that does not carry an electrical charge is a:
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

    • D. 

      Atom

  • 21. 
    A ferromagnetic material is:
    • A. 

      A material that shows strong magnetic effects

    • B. 

      A material that shows weak magnetic effects

    • C. 

      A material that shows no magnetic effects

  • 22. 
    A magnet made of a material that keeps its magnetism is known as a:
    • A. 

      Lifetime magnet

    • B. 

      Energizer bunny magnet

    • C. 

      Permanent magnet

    • D. 

      Temporary magnet

  • 23. 
    If two magnets were in this order: NS NS they would:
    • A. 

      Repel

    • B. 

      Attract

    • C. 

      Do nothing

  • 24. 
    The Earth's magnetic field
    • A. 

      Deflects charged particles from the sun and is used to determine direction by humans and animals

    • B. 

      Holds our atmosphere in place and keeps the magma hot in Earth's core.

    • C. 

      Is what makes our satellites stay in the "Goldilocks" zone and not randomly fall from orbit and burn up in Earth's amazing atmosphere.

    • D. 

      Is where our gravity comes from.

  • 25. 
    What device is used to increase or decrease the voltage in ac system?
    • A. 

      Transformers

    • B. 

      Voltmeter

    • C. 

      Barometer

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