Lesson 2 of the new AQA Physics Waves topic. Matches the new specification. Covers Practice using the wave equation Describe methods of measuring the speed of sound in air Investigate waves in a solid - required practical Investigate waves in a liquid - required practical Includes progress checks, several worked examples and summary questions (with answers!).

Lesson 4 of the new AQA Physics Waves topic. Matches the new specification. Covers Drawing ray diagrams for refraction refraction caused by different wave speeds in different substances (HT) wavefronts to explain refraction (HT) Includes progress checks, worked examples and summary exam questions (with answers!).

Lesson 7 of the new AQA Physics Waves topic. Matches the new specification. Covers properties of em waves uses of the various em waves how radio waves are produced (HT) dangers of various em waves investigation into infrared radiation (HT) - required practical Includes several progress checks and summary exam questions (with answers!).

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).

Fifth lesson of the ‘Newton’s laws of motion’ topic for the first year of the AQA A-Level Physics course. Covers: Forces that act on a moving body that stops suddenly How to get a smaller deceleration from a set speed Safety features found in modern vehicles Fully resourced and with practice exam questions (with worked answers).

First lesson of the ‘Force and momentum’ topic for the first year of the AQA A-Level Physics course. Covers: Calculating momentum Link between Newton’s 1st and 2nd law and momentum Define impulse of a force and how to use a force-time graph Fully resourced and with practice exam questions (with worked answers).

First lesson of the ‘Work, energy and power’ topic for the first year of the AQA A-Level Physics course. Covers: Definition of energy Whether energy ever disappears Definition of work 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).

Fourth lesson of the ‘Nuclear energy’ topic for the second year of the AQA A-Level Physics course. Covers how a nuclear reactor works and how a nuclear reactor is controlled (including safety). 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 12 of the new AQA Physics Forces topic. Matches the new specification. Covers Newton’s laws of motion. Includes progress checks, several worked examples and summary questions (with 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!).

Lesson 6 of the new AQA Physics Electricity topic. Matches the new specification. Covers LDR’s, thermistors, examples of their applications and sensor circuits. Includes a progress check, several supportive video clips and summary questions (with answers!).