Energy

Question 1

name 3 main types of fossil fuels

Answer 1

coal, oil and gas

Question 2

fossil fuel advantages

Answer 2

generate large amounts of cheap energy

provide reliable supply of energy

Question 3

fossil fuel disadvantages

Answer 3

release greenhouse gases= cause pollution and contribute to global warming

eventually run out

Question 4

fossil fuel definition

Answer 4

non-renewable natural resources formed from the remains of organisms

Question 5

renewable energy definition

Answer 5

non finite/most sustainable form of energy

Question 6

wind use

Answer 6

convert wind KE into electricity

Question 7

wind advantage

Answer 7

no greenhouse gases produced//once set up=cheap

Question 8

wind disadvantage

Answer 8

set up costs=high/turbines=unsightly and cause noise pollution

Question 9

solar use

Answer 9

convert suns energy to electricity

Question 10

solar advantage

Answer 10

no greenhouse gases produced/ once set up=cheap

Question 11

solar disadvantage

Answer 11

no sunlight=no energy generated/ solar panels=expensive

Question 12

tidal use

Answer 12

convert water current and tides KE into electricity

Question 13

tidal advantage

Answer 13

guaranteed, predictable and produce no greenhouse gases

Question 14

tidal disadvantage

Answer 14

expensive to build/ disrupt ecosystems

Question 15

hydro-electric use

Answer 15

trapped water=released from dams and its KE turns electric turbines

Question 16

hydro-electric advantage

Answer 16

once set up=cheap/reservoirs supply water in shortages

Question 17

hydro-electric disadvantage

Answer 17

set up cost=high/ building dams=destroys habitats