Topic 9.1 - Energy Resources

Question 1

What are renewable energy sources?

Answer 1

Energy sources that can be replenished on a very short timescale

Also known as flow resources

Question 2

What are non-renewable energy resources?

Answer 2

Energy resources that can’t be replenished quickly so can run out

Also known as stock resources

Question 3

What are recyclable energy sources?

Answer 3

Energy sources made up from waste products or whose waste products can be used to generate more energy

Question 4

What are some sources of renewable, recyclable, non-renewable energy resources?

Answer 4

Renewable - wind, solar, hydroelectric power
Non-renewable - fossil fuels
Recyclable - nuclear energy, biomass

Question 5

How does nuclear energy work?

Answer 5

Uranium atoms are used. When they split they produce lots of heat which is used to boil water. The steam turns a turbine generating electricity

Question 6

How does biomass energy work?

Answer 6

Biomass can be burnt to release energy or used to produce biofuels. Sometimes it is already available as a waste product from other processes.