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15
×
What machine in hospitals uses magnets?
Magnetic Resonance Imaging (MRI) Machine
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15
×
What does the magnetosphere protect the Earth from?
Harmful rays from the Sun
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trap
No points!
Oops!
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star
Double points!
Okay!
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gift
Win 10 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
Where is Earth's magnetic north pole?
In the South Pole
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15
×
What does maglev use to move a train forward?
Magnets
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thief
Give points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
Who invented the first simple electromagnetic motor?
Faraday
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trap
No points!
Oops!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
×
Who discovered that electricity and magnetism are connected?
Oersted
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15
×
True or false: Bar magnets CAN'T be switched on or off.
True
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15
×
What does an electric current in addition to thermal energy and a magnetic field?
Chemical reactions
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15
×
What can we use the thermal effect of electricity for?
To cook, heat water, dry our hair, etc.
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15
×
Do electrons have a positive or negative charge?
Negative
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banana
Go to last place!
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gold
Win 50 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 10 points!
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15
×
True or False: The magnetosphere extends through the atmosphere into space.
True
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15
×
What is thermal energy?
Energy that produces heat
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×
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