G3 Physics Lessons
Structured video lessons and written summaries for every testable concept — mapped directly to the Singapore-Cambridge O Level syllabus.
Syllabus 6091 · Sec 3 & 4
6 SECTIONS · 112 LESSONS
Measurement
SI units and prefixes, scalars vs. vectors, measuring instruments, and experimental uncertainty. The foundation of all Physics problem-solving.
Start for free →Newtonian Mechanics
Kinematics, Newton's three laws, turning effects, pressure, and energy. Kinematics and Dynamics lessons are free — the largest section of the O Level paper.
View lessons →Thermal Physics
Kinetic particle model, thermal processes (conduction, convection, radiation), specific heat capacity, latent heat, and cooling curves.
Coming soonWaves
Wave properties, the EM spectrum, reflection and refraction of light, critical angle, lenses, sound, and ultrasound applications.
Coming soonElectricity & Magnetism
Static electricity, current, resistance, series and parallel circuits, practical electricity, magnetism, electromagnetism, and electromagnetic induction.
Coming soonRadioactivity
Atomic structure, alpha/beta/gamma radiation, nuclear equations, half-life calculations, and applications and hazards of radioactivity.
Coming soon
Our Complete O level physics Materials. 200+ bite-sized lessons covering all key topics in an easy-to-digest way