1. Label the atom P2 Topic 5: Nuclear Fission and nuclear fusion
This topic looks at:
Isotopes
Ionising Radiation
Nuclear Reactions – Fission and Fusion
How nuclear reactors work
Define the term isotope:
Provide the number of protons, electrons and neutrons for each of these isotopes of chlorine
Label the atom
What are the particles in the nucleus called?
What do the control rods do?
Keywords: Ionising radiation, ion, radioactive, nuclear reactors, control rods
LABEL THE POWER STATION DIAGRAM
Keywords: alpha, beta, gamma, nuclear fission, nuclear fusion

2. P2 Topic 5: Nuclear Fission and nuclear fusion
This topic looks at:
Isotopes
Ionising Radiation
Nuclear Reactions – Fission and Fusion
How nuclear reactors work
Structure
Ionising Strength
Penetrating power
What is an ion?
What is ionising radiation?
What is a radioactive substance?
Put the following steps in the correct order to explain how a nuclear power station works:
a. Reactor contains nuclear fuel rods
b. Electricity is produced
c.Turbine spins the generator
Keywords: Ionising radiation, ion, radioactive, nuclear reactors, control rods
d. This produces a lot of heat which boils water in nearby pipes.
e. In the heat exchange water boils to form steam, it moves turbines
f. Electricity sent to the National Grid
Explain nuclear fission (use diagrams):
Explain nuclear fusion (use diagrams):
Keywords: alpha, beta, gamma, nuclear fission, nuclear fusion

3. P2 Topic 6: Benefits and drawbacks of using radioactive materials
This topic looks at:
The changing ideas of radioactivity
What happens to nuclear waste
Half-life
Background Radiation
Uses of radiation
How did each of these scientists contribute to our understanding of radiation?
Henri Becquerel:
Marie Curie:
Ernest Rutherford:
What is the main cause of background radiation in the UK?
Explain what half-life is:
Fill in this table assuming there is a 10% decay every hour:
Method of disposal
Problems
Firing into space
Dumping barrels in the sea
Storage underground
Time from start (hours) 1 2 3 4 5 6
No. of unstable atoms
1000
900
477
No, of unstable atoms that decay in the next hour
100 90 48
Keywords: Hazard, risk, mutation, background radiation
HLW –
ILW –
LLW -
How is the radioactivity of a source measured?
What does the term count rate mean?
Keywords: Half-life, GM Tube, count rate, radioactive decay, HLW, LLW, ILW, nuclear power

4. P2 Topic 6: Benefits and drawbacks of using radioactive materials
This topic looks at:
The changing ideas of radioactivity
What happens to nuclear waste
Half-life
Background Radiation
Uses of radiation
What is the half-life of the following isotopes and what ionising radiation do they emit?
Uranium-235
Technetium-99
Carbon-14
Radon-222
Thallium-208
Stronium-90
Define the term
Irradiating
Explain the difference between irradiated and radioactive:
What are the benefits and drawbacks of irradiating food?
Benefits
Drawbacks
Keywords: Hazard, risk, mutation, background radiation
How can gamma rays be used to help diagnose and treat cancer?
Describe the uses of radioactivity in household smoke alarms
Keywords: Half-life, GM Tube, count rate, radioactive decay, HLW, LLW, ILW, nuclear power