P3

Question 1

What is biofuel?

Answer 1

Any fuel taken from living or recently living materials, such as animal waste.

Question 2

What does carbon-neutral mean in the context of biofuels?

Answer 2

A biofuel from a living organism that takes in as much carbon dioxide from the atmosphere as is released when the fuel is burned.

Question 3

What is geothermal energy?

Answer 3

Energy released by radioactive substances deep within the Earth.

Question 4

What is the national grid?

Answer 4

The network of cables and transformers used to transfer electricity from power stations to consumers (i.e., homes, shops, offices, factories etc.).

Question 5

What is nuclear fuel?

Answer 5

Substance used in nuclear reactors that releases energy due to nuclear fission.

Question 6

What is a positively charged object in an atom?

Answer 6

A tiny positively charged object composed of protons and neutrons at the centre of every atom.

Question 7

What is a nuclear reactor?

Answer 7

The thick vessel used to contain fuel rods, control rods and the moderator in a nuclear fission reactor.

Question 8

What are renewable energy sources?

Answer 8

Energy sources that are always being replenished so they never run out.