Advantages and disadvantages of energy resource

Question 1

What is the advantage of solar energy

Answer 1

Renewable
No pollution
Very reliable in sunny conditions

Question 2

What is the disadvantage of solar energy

Answer 2

A lot of energy needed to build and only works with sunlight

Question 3

Advantage of Geothermal energy
and disadvantage

Answer 3

Renewable and reliable as the rocks are always hot
Power stations have a small impact on environment

May release some greenhouse gasses and only found in specific places

Question 4

Advantages of Wind power

Answer 4

Renewable
No pollution
no damage to environment

Question 5

disadvantages of wind energy

Answer 5

not as reliable
does not work when there is no wind

Question 6

advantages of hydroelectric

Answer 6

Renewable
no pollution
can increase supply if needed

Question 7

disadvantage of hydroelectric

Answer 7

May cause flooding
Can cost a lot to install the required infrastructure

Question 8

WAVE POWER ADVANTAGES AND DISADVANATGES

Answer 8

renewable
no pollution

Disturbs the seabed and habitats of animals
Unreliable

Question 9

Advantages and disadvantages of biofuels

Answer 9

Renewable
reliable
carbon neutral

High costs
May cause a problem with space
Releases CO2
Clearance of natural forests

Question 10

advantages of fossil fuels

Answer 10

reliable
enough to meet demand
produces a lot of energy
cost effective

Question 11

what is a renewable resource

Answer 11

an energy source which can be replenished as it is being used up

Question 12

Give 4 examples if renewable energy

Answer 12

wind
hydro electric
Tidal
solar

Question 13

advantages of nuclear power

Answer 13

Very large quantities of energy
Doesn’t release greenhouse gases
Low fuel costs

Question 14

state three disadvantages of nuclear powe

Answer 14

Produces nuclear waste which is harmful to humans
Non renewable
Risk of nuclear incidents

Question 15

Define a renewable resource

Answer 15

An energy source which can be replenished as it is being used up

Question 16

What are the advantages of generating power using gas rather than coal

Answer 16

Flexible generation: gas power up stations have a short start up time so can be switched on and off more readily
Lower emissions of CO2

Question 17

State two disadvantages of using renewable resources to generate power

Answer 17

Output often determined by external factors so supply is uncertain
Generating power through other means is often more efficnet and economically beneficial

Question 18

What are the environmental impacts of burning fossil fuels

Answer 18

Contributes to the green house effect by releasing CO2 and causes global warming
Sulphur dioxide leads to acid rain whic can damage buildings and crops

Question 19

How does hydroelectric power produce energy

Answer 19

Rainwater collects behind a dam when this water is released it is used to turn a turbine
this turbine turns a generator which produces electricity