Paper 3 - Consuming Energy Resources

Question 1

non-renewable

Answer 1

can’t be remade, once they’re gone they’re gone

Question 2

recyclable

Answer 2

can be reused, so will last into the future

Question 3

renewable

Answer 3

these renew themselves and don’t need managing

Question 4

non-renewable energy resources

Answer 4

coal:
- most coal deposits were formed around 300 million years ago; the world was covered in tropical forest then; over millions of years, the wood and other plant matter physically and chemically changed into coal
gas:
- it is usually found with oil deposits and the leading theory suggests that they both formed millions of years ago in places where dead organic material built up on the bottom of oceans, riverbeds or swamps, and got
mixed with mud and sand; depending on how liquid or gaseous this mixture is, it will turn into either crude oil or natural gas

Question 5

renewable energy resources

Answer 5

hydro-electric power (HEP):
- Hydroelectric energy is generated by the flow of water and like most other renewable energy sources, it is actually indirect solar power which drives the Earth’s water cycle
Solar energy:
- Solar energy is energy from the Sun - the Sun is a star that produces energy on a massive scale. Nuclear fusion reactions in its core turn 4.3 million tonnes of hydrogen into energy every second. This energy eventually radiates into space, in all directions. Travelling at the speed of light, a small fraction of it reaches
the Earth about eight minutes after it leaves the Sun
Hydrogen fuel cells:
- Water is a compound made from hydrogen and oxygen. If you pass an electric current through water, it can break the bonds in the molecules and split them into separate hydrogen and oxygen molecules. The oxygen and hydrogen are released as gases and can be collected in separate containers. This process is known as electrolysis. A fuel cell is a device that uses electrolysis in reverse. It converts hydrogen and oxygen into water, producing electricity and heat in the process

Question 6

recyclable energy resources

Answer 6

Biomass:
- All of the Earth’s living material or ‘biomass’ exists in a thin layer around the surface of the planet called the biosphere. It is a huge store of energy that is continually replenished by the Sun through photosynthesis. Biomass is any plant or animal matter, including plant and animal waste and human sewage. Energy crops are plants grown specifically for fuel