Sixth lesson of the forces in equilibrium topic for the first year of the AQA A-Level Physics course. Covers: The conditions for an object in equilibrium The conditions for the turning effects of forces How to predict forces acting on a body in equilibrium Fully resourced and with practice exam questions (with worked answers).

Fourth lesson of the ‘Work, energy and power’ topic for the first year of the AQA A-Level Physics course. Covers: The force mainly responsible for energy dissipation The energy store where wasted energy in mainly transferred to Whether a device can be 100% efficient Fully resourced and with practice exam questions (with worked answers).

Eighth lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers N-Z graphs, radioactive series and nuclear energy levels. Fully resourced and with practice exam questions (with worked answers).

Ninth lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers how the radius of a nucleus depends on its mass number; how dense a nucleus is. Fully resourced and with practice exam questions (with worked answers).

Lesson 5 of the new AQA Physics Energy topic. Matches the new specification. Covers conduction, convection and thermal conductivity. Includes progress checks, worked example and summary questions (with answers!).

Lesson 1 of the new AQA Physics Electricity topic. Matches the new specification. Covers circuit symbols, circuit diagrams, voltmeters and ammeters, current in series, pd in series and resistance in series. Includes progress checks, several worked examples and summary questions (with answers!).

Triple science lesson for the new AQA Physics Forces topic. Matches the new specification. Covers Defining moments and examples Balancing moments and the principle of moments Levers, how they work and everyday examples Gears, how they work and examples. Includes progress checks, several worked examples and summary questions (with answers!).

Triple science lesson for the new AQA Physics Atomic Structure topic. Lesson 9. Matches the new specification. Covers the process of nuclear fusion why it is difficult to make a nuclear fusion reactor how nuclei can be made to fuse together. Includes progress checks, support videos and summary exam questions (with answers!).

Triple science lesson for the new AQA Physics Atomic Structure topic. Lesson 8 Matches the new specification. Covers the nuclear fission process what a chain reaction is how a chain reaction is controlled in a nuclear reactor Includes progress checks, support videos and summary exam questions (with answers!).

Triple science lesson for the new AQA Space Physics topic. Lesson 2 Matches the new specification. Covers star life for stars of similar mass to the Sun star life for stars of greater mass than the Sun formation of the elements Includes progress checks, support videos and summary exam questions (with answers!).

Triple science lesson for the new AQA Waves topic. Lesson 9 Matches the new specification. Covers how the wavelength of light changes across the visible spectrum what determines the colour of a surface what are coloured filters and how they work opaque, translucent and transparent objects Includes progress checks, support video and summary exam questions (with answers!).

Fifth lesson of the forces in equilibrium topic for the first year of the AQA A-Level Physics course. Covers: Stable and unstable equilibrium Tilting and toppling Centre of mass and stability Fully resourced and with practice exam questions (with worked answers).

Lesson 15 of the new AQA Physics Forces topic. Matches the new specification. Covers reaction times. Includes progress checks, worked example and summary questions (with answers!).

Triple science lesson for the new AQA Waves topic. Lesson 3 Matches the new specification. Covers ray diagrams for reflection law of reflection diffuse and specular reflection image formed by a plane mirror Includes progress checks, support videos and summary exam questions (with answers!).

Lesson 6 of the new AQA Physics Atomic Structure topic. Matches the new specification. Covers: contamination and irradiation precautions to be taken with radioactive materials why research into radioactivity should be published. Includes a progress check, support videos and summary questions (with answers!).

Lessons 4 and 5 of the new AQA Physics Magnetism & Electromagnetism topic. Matches the new specification. Covers: what is the motor effect? calculating the size of the force from the motor effect fleming’s left hand rule how to change the size of the force speed of a d.c. motor how to change the direction of a d.c. motor Includes a progress check, support videos and summary questions (with answers!).

Third lesson of the forces in equilibrium topic for the first year of the AQA A-Level Physics course. Covers: What conditions produce a turning effect How to increase the magnitude of a turning effect How to balance a turning effect The importance of the centre of mass Fully resourced and with practice exam questions (with worked answers).

Fourth lesson of the ‘Force and momentum’ topic for the first year of the AQA A-Level Physics course. Covers: How to distinguish between elastic and inelastic collisions What is meant by an elastic collision Whether any collision can ever be perfectly elastic Fully resourced and with practice exam questions (with worked answers).

Fifth lesson of the ‘Quarks and Leptons’ topic for the first year of the AQA A-Level Physics course. Covers conservation rules for particle interactions. Fully resourced and with practice exam questions (with worked answers).