Find Your Weak IGCSE Physics Topics in 3 Minutes

Read speed and acceleration from a distance-time or speed-time graph, including the area under a speed-time graph.

Find a resultant force and use F = ma, including friction and Hooke's law.

Apply the principle of moments to a balanced beam.

Use kinetic and gravitational potential energy and track energy transfers.

Calculate density and describe how to measure it for a regular and an irregular solid.

Use p = F/A and the liquid pressure relationship p = rho g h.

Explain states of matter and gas pressure using the kinetic particle model.

Use E = mc(delta theta) in specific heat capacity calculations.

Distinguish melting, boiling and evaporation and use latent heat ideas.

Explain conduction, convection and radiation with correct particle or wave reasoning.

Use v = f(lambda) and convert units for frequency and wavelength before calculating.

Draw reflection and refraction ray diagrams with labelled normals and angles.

Explain total internal reflection and the critical angle, and describe lens action.

Order the electromagnetic spectrum and give a use and a danger for each region.

Apply current and voltage rules in series and parallel circuits.

Use V = IR and combine resistors in circuit calculations.

Use P = IV and E = IVt and explain electrical safety features.

Explain electromagnetic induction and how motors, generators and transformers work.

Compare alpha, beta and gamma radiation by nature, penetration and ionisation.

Use nuclide notation and identify isotopes.

Carry out half-life calculations from data or a decay graph.

Describe the Solar System and compare the planets' orbits.

Describe the life cycle of stars of different masses.

Explain redshift and how it supports the Big Bang theory.