Energy Resources and Transfer - Energy Resources and Generation (Paper 2)

Question 1

what are the energy transfers involved in generating electricty using wind?

Answer 1

Kinetic energy (wind), turns propellers —> electric energy, in the generator

Question 2

what are the energy transfers involved in generating electricty using water?

Answer 2

Kinetic energy (waves), turns propellers —> electric energy, in the generator

Question 3

what are the energy transfers involved in generating electricty using geothermal resources?

Answer 3

Thermal energy (water underground) —> kinetic energy, water in streams —> electical energy, turbine

Question 4

what are the energy transfers involved in generating electricty using solar heating systems?

Answer 4

Thermal energy (from sun) from water —> kinetic energy (steam, evaporation of water), turns turbines —> electrical energy, in the generator

Question 5

what are the energy transfers involved in generating electricty using solar cells?

Answer 5

Thermal energy (from sun) —> electrical energy, solar cells

Question 6

what are the energy transfers involved in generating electricty using fossil fuels?

Answer 6

Thermal energy (from burning fossil fuels) —> kinetic energy, fast moving stream —> electrical energy, in the turbines.

Question 7

what are the energy transfers involved in generating electricty using nuclear power?

Answer 7

Thermal energy (nucleus split, nuclear fission) –> kinetic energy, fast moving stream —> electrical energy, in the turbines

Question 8

what are the advantages of using oil to generate electricity?

Answer 8

Cheap to extract and converted into energy.
Ready made fuel
Cleaner than coal

Question 9

what are the disadvantages of using oil to generate electricity?

Answer 9

Gives off atmosphere pollutants, greenhouses gasses. (contributes to global warming)
Limited supply; un-renewable source, will run out one day, finite
Kills of marine life, oil spill

Question 10

what are the advantages of using natural gas to generate electricity?

Answer 10

Compact generators; do not take up much land
Produces less greenhouse gasses

Question 11

what are the disadvantages of using oil to generate electricity?

Answer 11

Gives off atmosphere pollutants, greenhouses gasses. (contributes to global warming)
Limited supply; un-renewable source, will run out one day, finite
Kills of marine life, oil spill

Question 12

what are the advantages of using coal to generate electricity?

Answer 12

Very cheap
Produces a lot of electricity
Increases/Decreases production easily.

Question 13

what are the disadvantages of using oil to generate electricity?

Answer 13

Gives off atmosphere pollutants, greenhouses gasses. (contributes to global warming)
Limited supply; un-renewable source, will run out one day, finite
Kills of marine life, oil spill

Question 14

what are the advantages of using nuclear to generate electricity?

Answer 14

Produces a lot of electricity
Does release greenhouse gasses.
Requires small amount of fuel

Question 15

what are the disadvantages of using oil to generate electricity?

Answer 15

Gives off atmosphere pollutants, greenhouses gasses. (contributes to global warming)
Limited supply; un-renewable source, will run out one day, finite
Kills of marine life, oil spill

Question 16

what are the advantages of using geothermal to generate electricity?

Answer 16

Low cost
Does not release greenhouse gases

Question 17

what are the disadvantages of using oil to generate electricity?

Answer 17

Gives off atmosphere pollutants, greenhouses gasses. (contributes to global warming)
Limited supply; un-renewable source, will run out one day, finite
Kills of marine life, oil spill

Question 18

what are the advantages of using wind to generate electricity?

Answer 18

Does not produce greenhouse gases.
Renewable source; infinite

Question 19

what are the disadvantages of using wind to generate electricity?

Answer 19

Does not produce constant electricity; dependant on wind flow
Requires a lot of land
Kills migrating birds
Unsightly
Expensive

Question 20

what are the advantages of using hydropower to generate electricity?

Answer 20

Produces a lot of electricity
No pollution; no greenhouse gasses emissions.
Is not dependant on weather; like wind power, wind flow.
Renewable energy; infinite source

Question 21

what are the disadvantages of using oil to generate electricity?

Answer 21

Gives off atmosphere pollutants, greenhouses gasses. (contributes to global warming)
Limited supply; un-renewable source, will run out one day, finite
Kills of marine life, oil spill

Question 22

what are the advantages of using solar panels to generate electricity?

Answer 22

Infinite supply ; renewable source.
Good for independent houses, can have own electricity supply

Question 23

what are the disadvantages of using solar panels to generate electricity?

Answer 23

Manufacture and implementation is costly.