Energy sources and Power stations

Question 1

What are the 4 types of Non-renewable energy sources

Answer 1

Coal
Oil
Natural gas
Nuclear

Question 2

What are the 3 facts of non-renewable energy sources

Answer 2

1. They WILL run out one day
2. They DO damage the environment
3. They provide the MOST energy

Question 3

What are the 8 renewable energy sources

Answer 3

Wind
Waves
Tidal
Solar
Geothermal
Food
Biofuels
Hydroelectric

Question 4

What ae the 4 facts of renewable energy sources

Answer 4

1. They will NEVER run out
2. They DO damage the environment but SIGNIFICANTLY LESS
3. They DONT provide much energy
4. SOME are UNRELIABLE

Question 5

What is the order of energy transfers in a typical power statin

Answer 5

Chemical - Heat - Kinetic - Electrical

Question 6

What is the order of stations in a typical power station

Answer 6

Fuel - Boiler - Turbine - Generator -National Grid

Question 7

Explain how fuels are turned to electrical energy in a typical power station

Answer 7

1. The fossil fuel is burned to convert its stored chemical energy into thermal energy
2. The heat energy is used to heat the water to produce steam which turns the turbine
3. The turbine converts heat into kinetic energy
4. The turbine is connected to a generator which transfers kinetic energy into electrical energy

Question 8

What is different about a nuclear power station

Answer 8

It uses nuclear fission of uranium or plutonium to produce heat to make steam to drive turbines

Question 9

What power station takes the longest time to start up

Answer 9

Nuclear

Question 10

What power station takes the shortest time to start up (of the fossil fuel power stations)

Answer 10

Natural gas power station