P 3 ENERGY RESOURCES

Question 1

where does energy that we use the most come from

Answer 1

burning fossil fuels

Question 2

how do we produce energy from burning fossil fuels

Answer 2

in coal/ oil-fired power stations burning fossil fuels heats water in a boiler producing steam that drives a turbine that turns an electric generator

Question 3

what is biofuel

Answer 3

fuel taken from living or recently living organisms

Question 4

how can biofuel replace fossil fuels

Answer 4

in modified engines for transport and in generators at powers station

Question 5

biofuel is

Answer 5

renewable
carbon-neutral

Question 6

nuclear fuel (uranium and plutonium) takes energy from

Answer 6

atoms

Question 7

nuclear power adv and dis

Answer 7

radioactive waste, no greenhouse gases

Question 8

energy from water and wind

Answer 8

renewable and no fuel needed

Question 9

wind power

Answer 9

drives turbines blades that turn generator that produces energy

Question 10

wave power

Answer 10

uses waves to make a floating generator go up and down, this motion turns generator and produces it

Question 11

hydroelectric power

Answer 11

from rainwater collected in a reservoir flows downhill. flowing water drives turbines that turn generator at the bottom of the hill

Question 12

tidal power

Answer 12

traps water from each high tide behind a barrage
high tide can be released into the sea through turbines that drive generators