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

创建 That Quiz — 为数学和其它学科出题和测试的网站.