10. A magnetized iron nail, wrapped in copper wire and hooked to a battery, is called a ________ magnet.
electro-magnet
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15
9. A magnent has a _____ and a _________ pole.Â
A North Pole & a South pole
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baam
Lose 5 points!
Oops!
gold
Win 50 points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
10
8. Do these magnets attract or repel?
Attract
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10
5. A device that uses a free-moving magnetic needle to show direction is a:
Compass
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10
12. A naturally occurring magnetic material is a __________ magnet.
Permanent
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lifesaver
Give 5 points!
Oops!
shark
Other team loses 25 points!
Okay!
rocket
Go to first place!
Okay!
lifesaver
Give 25 points!
Oops!
10
3. The strongest part of a magnet is... (think of the exact spot where the magnet attracts)
Their Poles
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15
4. How is a permanent magnet DIFFERENT from a temporary magnet?
A permanent magnet keeps / retains its magnetism for a longer period of time.
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10
6. A magnet will attract to a plastic bottle. True or False
False
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10
1. IF I glue the south pole of one magnet under a thin piece of wood and the south pole of a another magnet on top of the wood, what would happen to the magnet?
The magnets would repel. The one on top may float.
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thief
Give points!
5
10
15
20
25
seesaw
Swap points!
Okay!
rocket
Go to first place!
Okay!
lifesaver
Give 5 points!
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10
2. If Bob uses an electro magnet to pick up a car, what happens when the power goes out?
The car will fall.
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10
11. I keep magnetism for a short amount of time. What am I?
Temporary Magnets
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10
7. Iron, Nickel and cobalt are all __________________ materials
