6. A magnet will attract to a plastic bottle. True or False
False
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10
8. Do these magnets attract or repel?
Attract
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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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trap
No points!
Oops!
magnet
Take 20 points!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 25 points!
Oops!
banana
Go to last place!
Oops!
star
Double points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
Oops!
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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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
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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10
7. Iron, Nickel and cobalt are all __________________ materials
Magnetic
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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
3. The strongest part of a magnet is... (think of the exact spot where the magnet attracts)
Their Poles
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10
10. A magnetized iron nail, wrapped in copper wire and hooked to a battery, is called a ________ magnet.