Year 9 physics
Topics are arranged by the term they are taught. Pick the one you are doing in class: each has a lesson video, worked questions and practice at three levels.
Autumn term
- PhysicsForcesContact and non-contact forces, free-body diagrams, resultant forces, mass and weight, gravitational field strength and Hooke’s law.100 questionsLesson video
- PhysicsDensity and pressureThe particle model, density of regular and irregular objects, changes of state, pressure in solids, liquids and gases, and upthrust.100 questionsLesson video
- PhysicsEnergyEnergy stores and transfers, kinetic and gravitational potential energy, conservation, dissipation, efficiency, power and energy resources.100 questionsLesson video
Spring term
- PhysicsSpaceThe Solar System, gravity and orbits, natural and artificial satellites, the life cycle of a star and nuclear fusion.100 questionsLesson video
- PhysicsSpeed, acceleration and Newton’s lawsSpeed and velocity, unit conversions, acceleration, distance-time and velocity-time graphs, and Newton’s three laws of motion.100 questionsLesson video
Summer term
- PhysicsFields and electricityStatic electricity, electric fields, charge, current, potential difference and resistance, V = IR, and series and parallel circuits.100 questionsLesson video
- PhysicsWavesTransverse and longitudinal waves, amplitude, wavelength and frequency, wave speed, reflection, refraction and the electromagnetic spectrum.100 questionsLesson video