Electricity and Magnets

Electromagnets are magnets that…

• can be turned on and off using electricity

• turn on light bulbs

• are magnetic to light bulbs only

• None of the above

Magnets have…

• A pull that you can see

• An invisible pull

• Have no pull at all

• None of the above

The north pole of the magnet is attracted to…

• The south pole

• The north pole

• Neither pole

• None of the above

The north pole of the magnet repels…

• The south pole

• The north pole

• Neither pole

• None of the above

The first magnets came from a rock that was naturally magnetic called

• Lodestone

• Magnetstone

• Stickyrock

• None of the above

Who invented the light bulb?

• Martin Luther King Jr.

• Benjamin Franklin

• Thomas Edison

• None of the above

An electrical current is…

• Electricity that does not move

• Electricity in motion

• Electricity found in the ocean

• None of the above

Static Electricity is…

• Electricity that does not move

• Electricity in motion

• Electricity found in the ocean

• None of the above

What are the three rules for electrical energy?

• Needs a pathway, needs a magnet, needs a battery

• Needs a pathway, needs a conductor, needs a magnet

• Needs a pathway, needs a conductor, flows from negative to positive.

• None of the above

Which material is a good conductor of electricity?

• Plastic

• Wood

• Copper

• Rubber