CP3F Renewable resources

Question 1

What is renewable energy

Answer 1

Resources that will not run out

Question 2

Give four examples of renewable energy resources

Answer 2

1) Sold energy
2) Hydroelectricity
3) Wind turbines
4) Tidal power

Question 3

What are the advantages of using renewable energy sources

Answer 3

Do not cause pollution or emit carbon dioxide

Question 4

State two disadvantages of using renewable energy resources to generate power

Answer 4

Output often determined by external factors (like wind speed), so supply is uncertain
Renewable fuels often produce less energy per kg

Question 5

What are the advantages and disadvantages of solar energy

Answer 5

Advantages:
They don’t cause harm to the environment
Can be used in remote areas

Disadvantages:
Not available all of the time

Question 6

What is hydroelectric power and what are the advantages and disadvantages

Answer 6

Generated by falling water in places where water can be trapped in high reservoirs

Advantages: Available at any time
Disadvantages: Dam may cause flooding

Question 7

What are wind turbines and their disadvantages

Answer 7

Uses wind to generate electricity.
Disadvantages: Need lots of energy and ruin landscape

Question 8

What is tidal power and advantages and disadvantages

Answer 8

Generate electricity when dam turns tide flows into energy
Advantages: No green house gases and reliable and cheap

Disadvantages: Might effect wildlife and is not always available