Forces and motion
(a) Units
(b) Movement and position
Forces, movement, shape and momentum
Electricity
Mains electricity
Energy and voltage in circuits
Waves
Properties of waves
The electromagnetic spectrum
Light and sound
Energy resources and energy transfers
Energy transfer
Work and power
Energy resources and electricity generation
Solids, liquids and gases
Density and pressure
Change of state
Ideal gas molecules
Magnetism and electromagnetism
Radioactivity and particles
Astrophysics

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