Mains Electricity Flashcards
For a given amount of energy released, which fuel releases the most carbon dioxide?
Coal
Why are coal, oil and natural gas non-renewable resources
They can’t be replaced, except over millions of years
Which type of power station takes the least time to start up
A gas-fired power station
Why are uranium and plutonium used as nuclear fuels
They are radioactive
What is an advantage of nuclear fuels
They do not produce greenhouse gases
What is a disadvantage of wind farms
They are noisy and unsightly
What is a disadvantage of hydroelectric power produced by using a dam
River valleys and farmland are flooded by the dam
Where does the heat energy for geothermal energy resources come from?
Radioactive decay in rocks
What is a disadvantage of solar cells?
They do not produce electricity at night