24-25_Q8

Magnetic poles that are unlike ________and magnetic poles that are alike ___________.

• 
  run; stay

• 
  stay; repel

• attract; repel

• 
  repel; attract

The SI unit of magnetic field is 

• weber

• tesla

• 
  gauss

• farad

What does the following represent?
⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙
⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙
⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙

• 
  Multiplied by a billion

• 
  Uniform magnetic field directed into the screen away from you

• A piece of modern art

• Uniform magnetic field directed out of your screen at you

What does the following represent?
⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗
⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗
⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗

• 
  Multiplied by a billion

• 
  Uniform magnetic field directed into the screen away from you

• A piece of modern art

• Uniform magnetic field directed out of your screen at you

A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation because its needle usually points north.

• 
  calculator

• compass

• ruler

• map

Which item sticks to a magnet?

• rubber band

• craft sticks

• paper clips

• plastic straws

The strongest part of a magnet is...

• 
  the bars.

• 
  the poles.

• the force field.

• the middle.

What is true about magnets?

• opposite poles repel

• only the north pole picks up nails

• opposite poles attract

• only the north pole work