What will happen to a north and south pole if they are brought together?
They will attract
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monster
Reset all scores!
Oops!
fairy
Take points!
5
10
15
20
25
shark
Other team loses 10 points!
Okay!
banana
Go to last place!
Oops!
15
What does the Earth's magnetic field protect us from?
Solar winds
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15
What will happen to the compass needles when a current flows through the wire?
The needles will line up with the magnetic field created by the current carrying wire
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heart
Other team wins 5 points!
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seesaw
Swap points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 10 points!
Oops!
15
Which pole is X?
North
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15
Define the motor effect...
A current carrying wire placed in an external magnetic field will experience a force.
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15
What will happen to the compass needle if the bar magnet is rotated 180o?
The needle will point the other way
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15
What will happen when the bell switch is closed?
The electromagnet will attracted the iron armature which will ring the bell
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15
What magnetic element does the alloy steel contain?
Iron
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15
Which pole is Y?
South pole (it is attracting the north pole of the compass)
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15
Name a magnetic element
Iron, nickel, cobalt and gadolinium
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15
You bring the north pole of a magnet towards one end of an iron bar and it attracts. What will happen if you take the north pole to the other end of the iron bar.
It will also attract.
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15
What happens to the strength of the magnetic field created by a current carrying wire as you get further from the wire?
The field gets weaker
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eraser
Reset score!
Oops!
seesaw
Swap points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 25 points!
Oops!
15
Why does a compass needle point north?
The needle is a magnet, the north pole of the needle is attracted to the south pole of the Earth
