Energy Types

Question 1

Solar (photovoltaic)

Answer 1

Renewable
Can serve whole communities
Can power personal homes
15% efficent (not)
Needs lots of land
Needs a sunny climate

Question 2

Wind power

Answer 2

Renewable
Can power your own house
No pollution
30-45% efficient (not)
Needs lots of land
Needs storage for energy

Question 3

Fossil fuels

Answer 3

Can be used everywhere
There was a very large supply of it
Not renewable
36-47% efficient (not)
Finite
Lots of pollution

Question 4

Nuclear

Answer 4

No air pollution
No carbon dioxide released
Uranium is extremely energy dense
Not renewable
35% efficient (not)
Produces waste that must be stored away for many years

Question 5

Biomass

Answer 5

Renewable
Everyone makes waste
Lowers water to landfills
Less pollution than fossil fuels
22-40% efficient (not)

Question 6

Geothermal

Answer 6

Renewable
Natural
Doesn’t pollute the air
15% efficient (not)
Gasses released smell bad

Question 7

Hydroelectric

Answer 7

Renewable
95% efficent
No pollution
Dam is expensive loss of fish and water quality

Question 8

Tidal harness

Answer 8

Renewable
90% efficient
No pollution
Increases water turbidity
Noisy
Needs service often

Question 9

Solar (water turbines)

Answer 9

Renewable
Low mantainence
Expensive
Amount of sun affects amount of energy
20-31% efficient (not)