P3

Question 1

Biofuel?

Answer 1

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

Question 2

Carbon neutral?

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

Geothermal energy?

Answer 3

Energy released by radioactive substances deep within the Earth.

Question 4

National grid?

Answer 4

The network of cables and transformers used to transfer electricity from power stations to consumers.

Question 5

Nuclear fuel?

Answer 5

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

Question 6

Nucleus?

Answer 6

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

Question 7

Reactor core?

Answer 7

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

Question 8

Reneawable energy?

Answer 8

Energy from natural sources that is always being replenished so it never runs out.