energy Flashcards by Jody Lee

Q

is hydro-electric power renewable?

A

yes

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Q

is thermal-electric power renewable?

A

no

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Q

is nuclear-electric power renewable?

A

no

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Q

how do hydro-electric plants generate energy?

A

movement of water from high to low reservoirs drives the generator

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Q

how do thermal-electric plants generate energy?

A

steam produced from burning fuel turns the turbine which drives the generator

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Q

how do nuclear-electric plants generate energy?

A

steam produced from the fission of uranium atoms turns the turbine which drives the generator

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Q

name 4 advantages to hydro-electric power

A

do not have to buy fuel
does not produce air pollution or carbon dioxide
uses a renewable resource (flowing water)
the reservoir can be used for recreation

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Q

name 3 advantages to thermal-electric power

A

plants can be built where electricity is needed
fuel is available and cheap to transport = low cost of production
plants are less expensive to build

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Q

name 4 advantages to nuclear-electric power

A

plants can be built where electricity is needed
inexpensive to operate
canada has an abundance of uranium
does not produce air pollution or greenhouse gases

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Q

name 5 disadvantages to hydro-electric power

A

expensive to build plants
plants are usually far from cities- expensive transmission lines must be built
dams can cause flooding
flooding can release harmful chemicals from rock
the water flow can disrupt the environment

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Q

name 4 disadvantages to thermal-electric power

A

fuel is expensive
nonrenewable resources will run out
creates air pollution and global warming
can produce gases that cause acid precipitation

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Q

name 4 disadvantages to nuclear-electric power

A

expensive to build plants
radioactive fuel is dangerous
waste from the plant remains dangerous for 100 000 years
plants must be replaced or rebuilt frequently

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