Physics
IGCSE Physics 0625Cambridge IGCSE Physics (0625) — master motion, forces, energy, thermal physics, waves, electricity, magnetism, nuclear and space physics with interactive visual lessons and exam practice.
Mock exam
Test yourself across every topic at once.
Past Paper Mocks
Full timed past-paper-style mocks with mark schemes.
Physical quantities and measurement techniques: Measurement of length, volume and time, and Scalars and vectors.
Motion: Speed and velocity, Distance-time and speed-time graphs, and Acceleration and free fall.
Mass and weight: Mass, weight and gravitational field strength.
Density: Density and floating.
Forces: Effects of forces, Turning effect of forces, and Centre of gravity.
Momentum: Momentum, impulse and conservation.
Energy, work and power: Energy stores and transfers, Work, Energy resources, and Power.
Pressure: Pressure and pressure in liquids.
Kinetic particle model of matter: States of matter, Particle model, and Gases and the absolute scale of temperature.
Thermal properties and temperature: Thermal expansion of solids, liquids and gases, Specific heat capacity, and Melting, boiling and evaporation.
Transfer of thermal energy: Conduction, Convection, Radiation, and Consequences of thermal energy transfer.
General properties of waves: Wave motion and properties, and Reflection, refraction and diffraction.
Light: Reflection of light, Refraction of light, Thin lenses, and Dispersion of light.
Electromagnetic spectrum: regions, speed in vacuum, uses, hazards, satellites and digital signalling.
Sound: production, longitudinal nature, audible range, loudness + pitch, speed of sound, echoes and ultrasound.
Simple phenomena of magnetism: Magnets and magnetic fields.
Electrical quantities: Electric charge, Electric current, Electromotive force and potential difference, Resistance, and Electrical energy and electrical power.
Electric charge
Charges + friction + conductors · (HL) Electric field + patterns
Electric current and Electromotive force and potential difference
Electric current · e.m.f. + potential difference
Resistance and Electrical energy and electrical power
Resistance: R = V/I · Electrical energy + power
Electric circuits: Circuit diagrams and circuit components, Series and parallel circuits, and Action and use of circuit components.
Electrical safety: Mains hazards and protection.
Electromagnetic effects: Electromagnetic induction, The a.c. generator, Magnetic effect of a current, Force on a current-carrying conductor, The d.c. motor, and The transformer.
Electromagnetic induction and The a.c. generator
Electromagnetic induction · (HL) The a.c. generator
Magnetic effect of a current and Force on a current-carrying conductor
Magnetic effect of a current · Force on a current-carrying conductor
The d.c. motor and The transformer
The d.c. motor · The transformer
The nuclear model of the atom: The atom, and The nucleus.
Radioactivity: detection, the three types of nuclear emission, radioactive decay, half-life and safety precautions.
Detection of radioactivity
Background radiation + sources · Count rate + (HL) corrected count rate
The three types of nuclear emission
Nature, ionising effect + penetration of α/β/γ · (HL) Deflection in fields + ionising-effect explanation
Radioactive decay
Spontaneous + random decay, change of element · (HL) Decay equations + neutron→proton in β-decay
Half-life and safety precautions
Half-life definition + simple calculations · (HL) Half-life from data, applications + safety precautions
The Earth and the Solar System: Earth's rotation, orbit and Moon phases; the Sun, planets, accretion model, gravity and (HL) elliptical orbits.
Stars and the Universe: the Sun as a star, galaxies + the Milky Way + light-years; (HL) star life cycle; redshift + Big Bang; (HL) CMBR + Hubble + age of the Universe.