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Teams
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seesaw
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fairy
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5
10
15
20
25
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gift
Win 25 points!
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thief
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5
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25
15
×
Why is it dangerous to touch a live wire and the ground?
A current will flow through you. This can interrupt the rhythm of your heart and cause burns.
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15
×
What affect is burning fossil fuels having on the environment?
Release CO2 which is a greenhouse gas - causing climate change
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15
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What is the difference between an A.C supply and a D.C supply?
D.C one direction, constant size. A.C changing direction and changing size.
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seesaw
Swap points!
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star
Double points!
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rocket
Go to first place!
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banana
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15
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Name 3 renewable sources of energy used to generate electricity
wind, wave, solar, geothermal, hydro (gravitational potential energy), bio fuels
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15
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What is the unit for resistance in a circuit?
The Ohm
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15
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When using something with moving parts, how do you reduce the wasted energy transferred as heat (due to the friction force).
Lubrication (grease, oil etc.)
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15
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What is the equation to calculate electrical power?
P = V x I
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15
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When using a toaster, which type of transferred energy is being wasted?
Light
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15
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What type of supply does a coal power station produce, A.C or D.C?
A.C
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What is the term for the rate of energy transfer?
Power
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15
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What type of supply does a battery produce, A.C or D.C
D.C
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15
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When using a hairdryer, which type of transferred energy is being wasted?
Sound
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15
×
What colour is the neutral wire in a plug
Blue
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monster
Reset all scores!
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star
Double points!
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shark
Other team loses 25 points!
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lifesaver
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