Practise explaining radiation risks to people and the precautions used for sources, waste, medical tracers, cosmic rays and contaminated air.
Some radioactive waste from nuclear power stations has a very long half-life.
Discuss precautions that must be taken when disposing of this radioactive waste.
Any five from:
- strong containers
- containers cannot rust
- rust-proof containers are expensive / difficult to manufacture
- security of waste site
- dilution in sea water
- leakage into water table
Accept:
- location that prevents rust
- low earthquake risk