Magnetism
Electricity
Circuit
Conductors and Insulators
Electromagnets
100
What would happen if the north ends of two magnets were close together?
What is repel?
100
Socks taken from a clothes dryer that stick together or a lightning bolt in the sky are examples of ____________.
What is static electricity?
100
Is a circuit open or closed if you haven't turned on the switch?
What is open?
100
What is a material that lets electric current pass through?
What is a conductor?
100

True or False: An electromagnet is a permanent magnet.

What is False? An electromagnet can be turned on or off. Once the circuit is broken, the magnetism is lost.

200
If a south end of a magnet is close to a north end of a magnet, the magnets will _________.
What is attract?
200
True or False: Like charges attract and unlike charges repel.
What is False? Like charges repel and unlike charges attract.
200
What supplies current to an electrical circuit?
What is a battery (or other electrical source)?
200
What is a material that blocks an electric current from passing through?
What is an insulator?
200

True or False: An electric crane is an example of an electromagnet.

What is True?

300
True or False: All magnets have the same shape and size.
What is False?
300
If you rub your hair on a balloon and the balloon becomes negatively charged, what charge will your hair have?
What is a positive charge?
300

The part of the circuit that receives electrons to work

What is a load?

300
Which of these materials is not a conductor: copper, aluminum, gold, or wood?
What is wood?
300
True or False: A refrigerator magnet is a permanent magnet.
What is True? Even when you take it off the refrigerator, it is still magnetic.
400
True or False: All magnets have a north and south pole.
What is True?
400

Current electricity that is produced by passing magnets past coils of wire 

What is an electric generator?

400

True or False: In a series circuit if one light bulb does not work the other lightbulb will keep working.

What is False? 

400
Which of these materials is a conductor: rubber, glass, air, silver?
What is silver?
400

To decrease the strength of an electromagnet 

What is take away battery, uncoil, and decrease electrons?

500
Will a magnet attract copper, rubber, iron, or plastic?
What is iron?
500
Naturally-occurring electricity that occurs when there is a buildup of negative charges in one place. 
What is static electricity?
500

An electrical circuit is made up of a connector (wire), a load (lightbulb), and a ____________.

What is a battery (or power source)?

500

If charges are spread out evenly in a material the material is a 

What is a conductor?

500
An electromagnet is made up of what three items?
What is an iron bar (nail), battery, and a wire?
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