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15
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Complete.We also find naturally magnetic pieces of magnetitte called........................
lodestone
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15
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True or false.Magnetic field is the area around a magnet where the force has an effect.
true
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Complete : They are also known as temporary magnets
Induced magnets
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Magnets can also be .................... or .........................
permanent and induced
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Where did they discover the first natural magnets ?
Ancient Greece and China
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True or false.Electromagnets are objects that didnt act like magnets when an electrical current passes through them.
false
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baam
Lose 15 points!
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shark
Other team loses 10 points!
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rocket
Go to first place!
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baam
Lose 25 points!
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True or false.When we close the circuit, the obect becomes an electromagnet
true
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Many .............................................. like blenders use magnets to convert electricity.
home appliances
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...................................... is the relationship between electricity and magmetism.
Electromagnets
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True or false.Opposite poles repel each other
false
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monster
Reset all scores!
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seesaw
Swap points!
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rocket
Go to first place!
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lifesaver
Give 15 points!
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True or false.All magnetic materials are metallic.
true
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Complete : All magnets has two ...................................
opposite poles
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banana
Go to last place!
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magnet
Take 15 points!
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gift
Win 15 points!
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lifesaver
Give 20 points!
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15
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Label the two types of magnets
natural and artificial
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