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15
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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
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Which of the two types of bulb is more efficient?
LED
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15
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Name 3 fossil fuel energy sources, used to generate electricity.
Coal, Oil, Natural gas
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15
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What colour is the live wire in a plug?
Brown
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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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Which type of power station transfers the energy from naturally hot rocks underground?
Geothermal power station
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15
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What affect is burning fossil fuels having on the environment?
Release CO2 which is a greenhouse gas - causing climate change
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What is the unit of power?
Watt (W)
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What is the term for the rate of energy transfer?
Power
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seesaw
Swap points!
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seesaw
Swap points!
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shark
Other team loses 25 points!
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lifesaver
Give 20 points!
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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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15
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What colour is the neutral wire in a plug
Blue
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15
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Which energy source used to generate electricity is non renewable, but not a fossil fuel?
Nuclear
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thief
Give points!
5
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25
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fairy
Take points!
5
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25
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rocket
Go to first place!
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thief
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25
15
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Why could a country not only use wind turbines and solar panels to generate its electricity?
It's not always windy and its not always sunny
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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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thief
Give points!
5
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25
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