Energy resources: nuclear energy

Question 1

How does it work?

Answer 1

A chain reaction in an unstable nucleus releases heat. Heat changes water to steam. Steam turns turbine which generates electricity.

Question 2

Stores and transfers

Answer 2

Nuclear ->heating-> Kinetic ->electrical->

Question 3

Advantages

Answer 3

• does not release carbon dioxide
• energy rich (high Joules per kg)

Question 4

Disadvantages

Answer 4

• nuclear waste is hard to store (has to be safe, is radioactive for thousands of years)
• nuclear weapons can be produced
• accidents are catastropic