Electricity and magnetism

What part of a circuit stops the current?

• a. wire

• b. switch

• c. battery

• d. light

What material is a good conductor?

• a. copper

• b. wood

• c. rubber

• d. plastic

What material is an insulator?

• a. coper

• b. silver

• c. gold

• d. plastic

 What is true about magnets?

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• a. opposite poles repel

• b. opposite poles attract

• c. only the north pole picks up nails

• d. only the north pole work

 Which item sticks to a magnet?

• a. rubber band

• b. paper clips

• c. craft sticks

• d. plastic straws

The two ends of a bar magnet are its

• a. Magnetic poles

• b. Insulators

• c. Circuits

• d. Irons

Magnets have a north and a south ___________

• a. color

• b. pole

• c. region

• d. shape

It has a form of energy resulting from the existence of charged particles

• a. lightning

• b. magnetism

• c. electricity

• d. thunder

When electrons flow it produce a __________.

• a. magnets

• b. magnetic field

• c. magnetic fluid

• d. sport field

It is the unit of resistance in a conductor.

• a. ohm

• b. volt

• c. ampere

• d. watts