1: Cell biology

2: Organisation

3: Infection and response

4: Bioenergetics

1: Atomic structure and the periodic table

2: Bonding, structure, and the properties of matter

3: Quantitative chemistry

4: Chemical changes

5: Energy changes

1: Energy

2: Electricity

3: Particle model of matter

4: Atomic structure

5: Homeostasis and response

6: Inheritance, variation and evolution

7: Ecology

6: The rate and extent of chemical change

7: Organic chemistry

8: Chemical analysis

9: Chemistry of the atmosphere

10: Using resources

5: Forces

6: Waves

7: Magnetism and electromagnetism