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Magnetism C
נתרם על ידי: Barent
  • 1. Magnets have
A) magnetic poles
B) all of these
C) domains
D) magnetic atoms
  • 2. Like magnetic poles
A) repel
B) attract
C) behave the same
D) stick to each other
  • 3. Magnetic fields
A) are only located at the center of the magnet
B) are where the magnetic force is
C) are only located at the poles
D) do not exist
  • 4. Magnetic poles are
A) where the magnetic energy is the strongest
B) always south
C) always north
D) the weakest part of the magnet
  • 5. Elements like Iron are ferromagnetic. This means...
A) all of these
B) electrons are spinning in the same direction
C) their domains are alligned
D) they have a magnetic field
  • 6. Which magnetic properties does the earth have?
A) a magnetosphere
B) all of these
C) magnetic field
D) magnetic north and south
  • 7. Electricity
A) turns magnets into turkeys
B) does not affect magnets
C) makes magnets weaker
D) makes magnets stronger
  • 8. Which elements are magentic?
A) cobalt and sodium
B) iron and lead
C) just iron
D) Iron, cobalt and nickel
  • 9. How can a magnet be destroyed?
A) breaking in half
B) decreasing kinetic energy
C) heating and dropping
D) bending
  • 10. The rotation of the earth makes it an even stronger magnet
A) true
B) false
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