IGCSE Physics notes

Forces change how objects move. Learn the motion equations and Newton's three laws and you can explain and calculate any everyday motion.

Electricity is charge flowing round a circuit. Get current, voltage and resistance clear and the whole topic makes sense.

Waves transfer energy without transferring matter. Learn the wave equation and the difference between transverse and longitudinal waves.

Energy is conserved — it can only be transferred between stores. Learn the stores, the equations and how to calculate efficiency.

Thermal physics explains temperature and heat transfer using the particle model. Learn the states of matter, heat transfer methods and specific heat capacity.

A current creates a magnetic field, and a current in a field feels a force. Learn the motor effect and Fleming's left-hand rule to explain motors.

Unstable nuclei decay by emitting radiation. Learn the three types of radiation, decay equations and half-life to master this topic.

Astrophysics covers orbits, the life cycle of stars and evidence for the Big Bang. Learn the key ideas and the role of gravity throughout.