P6 - Radioactive materials

What is radioactive decay?

What two types of particle are there in a nucleus and which of these decides what the element is?

What three kinds of radiation are there?

What four stages are there to Rutherford's experiment?

What did the data from the Rutherford experiment show?

'Atoms of the same element have different mass numbers because they have different numbers of neutrons in their nucleus.' What is this called?

What two things is the element produced by nuclear decay called?

Describe alpha radiation. (3 points)

Describe beta radiation. (3 points)

Describe gamma radiation.

What three uses does gamma radiation have?

What is radiation dose and what is it measured in?

Why are flight crews at risk from radiation?

What is contamination and what is the most dangerous form of it?

What three precautions do many radiation workers, for example medical staff, often take when working with radiation?

Why did lots of German silver miners die over 400 years ago?

What is the amount of radiation from a radioactive material called?

What is 'half-life'?

How does medical imaging work?

How does radiotherapy work?

In nuclear fission, what is the name and equation for the rule that explains why so much energy is released?

How does a nuclear power stations control the rate at which uranium decays?

What three levels of nuclear waste are there and what these each mean?

Where is the biggest nuclear site in the UK and who is responsible for clearing up waste in this country?

What force holds protons and neutrons together?

How does nuclear fusion work?

What two advantages would there be of fusing hydrogen on earth, aside from the amount of energy it supplies?

What do hydrogen ions form when heated enough and how is this kept away from the sides of a reactor?

What's the name of the huge project investigating fusion?