More Energy Resources

Question 1

Name three renewable energy resources

Answer 1

E.g. the Sun, wind, hydro-electricity, bio-fuels, and tides

Question 2

Name a renewable energy resource that could be used to power a satellite in space

Answer 2

Solar power

Question 3

Give one reason tidal power is reliable

Answer 3

They always happen twice a day

Question 4

What does it mean if an energy resource is renewable?

Answer 4

A renewable energy resource is one that will never run out, as it is being replenished as it is used

Question 5

How reliable is hydro-electric power? Explain your answer

Answer 5

It’s generally reliable. Water is collected and allowed through turbines when required to provide an immediate response to a demand for electricity

Question 6

Explain how hydro-electric power can impact the environment

Answer 6

It usually requires the flooding of a valley, which can cause the destruction of habitats for some species

Question 7

Briefly compare the advantages and disadvantages of renewable and non-renewable energy resources

Answer 7

Renewable energy resources will never run out, whereas non-renewable resources might. Renewable energy resources do less damage to the environment than non-renewable resources. However, renewable energy resources tend not to provide as much energy as non-renewable resources, and can be less reliable as they often depend on the weather