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10
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What do distribution lines do?
They distribute electricity to houses in a city.
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15
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What happens to electricity after going through a meter?
It reaches electrical safety devices.
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10
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What happens to transmission lines when they reach a city?
They usually go underground.
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15
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What does a meter do?
It measures the amount of electricity used in a building.
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monster
Reset all scores!
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rocket
Go to first place!
Okay!
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gift
Win 20 points!
Okay!
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banana
Go to last place!
Oops!
15
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How and where can voltage be decreased?
In step-down substations with the use of a transformer.
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10
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What is the main conductor of electricity on a power grid called? What material is it made of?
Transmission lines - metal or aluminium cables
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lifesaver
Give 20 points!
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seesaw
Swap points!
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gift
Win 25 points!
Okay!
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lifesaver
Give 25 points!
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seesaw
Swap points!
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star
Double points!
Okay!
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shark
Other team loses 15 points!
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lifesaver
Give 5 points!
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10
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What happens to electricity when it reaches a city?
Its voltage needs to be decreased.
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10
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What happens when electricity reaches a house?
It goes through a meter.
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15
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What's the difference between distribution lines and transmission lines?
Distribution lines transport low voltage electricity, transmission lines carry high voltage electricity
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20
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What do transmission lines do? What types of transmission lines exist?
Transmission lines carry electricity from the source to the users. They can be overhead or underground.
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20
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Why is the process of energy distribution difficult?
Power plants are usually distant from cities and houses, so an infrastructure network is needed.
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thief
Give points!
5
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15
20
25
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rocket
Go to first place!
Okay!
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shark
Other team loses 20 points!
Okay!
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thief
Give points!
5
10
15
20
25
10
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What's the name of the network infrastructure for electricity?
Power grid / electrical grid
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