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Flashcards in energy Deck (12)
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1
Q

is hydro-electric power renewable?

A

yes

2
Q

is thermal-electric power renewable?

A

no

3
Q

is nuclear-electric power renewable?

A

no

4
Q

how do hydro-electric plants generate energy?

A

movement of water from high to low reservoirs drives the generator

5
Q

how do thermal-electric plants generate energy?

A

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

6
Q

how do nuclear-electric plants generate energy?

A

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

7
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
8
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
9
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
10
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
11
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
12
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