Vocabulary
Magnets
Electromagnets
Magnetic Effects
Misc.
100
A force that acts on moving electric charges and on magnetic materials that are near a magnet.
What is Magnetism
100
Can you ever have one magnetic pole without the other?
What is no.
100
What makes an electromagnet? A coil of wire or straight wire?
What is coiled wire.
100
What object's needle always moves to point north and south?
What is a compass.
100

Which can be used to make a simple magnet; a penny, rubber, or a magnet?

What is a magnet.

200
What are the two ends of a magnet?
What is magnetic poles
200
Where is the magnetic field strongest?
What is at the magnetic poles.
200
Name two sound devices that have electromagnets.
What is a doorbell and earphones.
200
What happens when a magnetic north pole and a magnetic south pole are near each other?
What is they attract.
200

Which of these items would be least likely to use magnetism? 

a)car

b) ceiling fan

c) golf club 

d) CD player

What is C?

300
The space around a magnet in which magnetic forces operate?
What is a magnetic field.
300
What lifts and propels a maglav train?
What is magnetic force.
300
What electromagnet is able to observe organs and tissues inside a body without cutting into the body?
What is a Magnetic Resonance Imaging (MRI).
300
What causes the compass needle to move?
What is the Earth's magnetic field.
300

What don't electric circuits produce?

What is darkness?

400
A coil of wire with man loops through which an electric current passes?
What is an electromagnet.
400
If a magnet breaks, what happens to the broken edge?
What is becomes a magnetic pole.
400
Name two ways to increase the strength of an electromagnet.
What is using an iron or steel bar, thicker bar, add more coils, stronger battery, or more batteries.
400
What causes Earth to be a magnet?
What is the outer core that is made up of iron.
400

Amanda drove by the junkyard yesterday. She noticed a large metal disc attached to a crane. This disc was flat and it was used to pick up large cars and metal pieces. She noticed it would drop some pieces when the operator pressed a button. This button seemed to turn the power on and off. What could this magnet be called? 

What is an electromagnet?

500
A machine that uses moving magnets to produce electrical energy?
What is a generator.
500
Describe how magnetic poles behave.
What is opposite attract and like/same repel.
500
How is an electromagnet made?
What is by wrapping/coiling wire around a bar and attaching the wire to a battery.
500
You are walking through the forest using a compass and the needle moves away from point northward. What caused the needle to move?
What is a magnetic rock.
500

Beth found two small black rocks while she was out hiking in the mountains. When she brought them home, she discovered that one would stick to her steel door frame while the other would not. What conclusion can you make about the rocks she found? 

What is one is magnetic, the other is not.

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