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15
×
True or false.Opposite poles repel each other
false
Oops!
Check
Okay!
Check
×
boom
Lose 50 points!
Oops!
×
seesaw
Swap points!
Okay!
×
shark
Other team loses 5 points!
Okay!
×
lifesaver
Give 15 points!
Oops!
15
×
A............................... is a instrument used for finding your way
compass
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Okay!
Check
×
baam
Lose 20 points!
Oops!
×
seesaw
Swap points!
Okay!
×
rocket
Go to first place!
Okay!
×
baam
Lose 20 points!
Oops!
15
×
True or false : The earth has a core of solid iron that acts like a gigant magnet.
false. core of liquid iron
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Okay!
Check
15
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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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15
×
Magnets can also be .................... or .........................
permanent and induced
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15
×
...................................... is the relationship between electricity and magmetism.
Electromagnets
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×
trap
No points!
Oops!
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magnet
Take 10 points!
Okay!
×
fairy
Take points!
5
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25
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thief
Give points!
5
10
15
20
25
15
×
Label the two types of magnets
natural and artificial
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Check
Okay!
Check
×
seesaw
Swap points!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 10 points!
Oops!
15
×
True or false.When we close the circuit, the obect becomes an electromagnet
true
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15
×
Where did they discover the first natural magnets ?
Ancient Greece and China
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15
×
Many .............................................. like blenders use magnets to convert electricity.
home appliances
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15
×
What is the name of the trains that are made of magnetic levitation?
maglev trains
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15
×
Complete.We also find naturally magnetic pieces of magnetitte called........................
lodestone
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Check
×
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