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