Last lesson in the series looking at how changing the amplitude and wavelength of a waveform will affect a sound. Also includes uses of sounds like ultrasound - includes practice questions for students. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P6 and more Developing: State the approximate range of audible frequencies for a healthy human ear is 20 Hz to 20,000 Hz. Securing: Relate the loudness and pitch of sound waves to amplitude and frequency. Exceeding: Apply the wave equation to quantitatively analyse the differences between sound waves.

Presentation to help students get to grips with motion graphs - contains practice questions and flash animations. Developing: Recognise from the shape of a speed-time graph when a body is – at rest / moving with constant speed / accelerating / decelerating. Secure: Calculate speed from the gradient of a speed-time graph. Exceeding: Demonstrate understanding that acceleration and deceleration are related to changing speed.

Lesson introducing and explaining Boyle’s Law with reference to kinetic theory and the Kelvin scale - including practice questions for students. Ideal for Cambridge iGCSE P3 and more. Developing: Recall that a gas is made up of tiny, moving particles. Secure: Recall and use the equation pV = constant for a fixed mass of gas at constant temperature. Exceeding: Describe qualitatively, in terms of molecules, the effect on the pressure of a gas of a change of volume at a constant temperature.

Lessons designed to build upon students knowledge of current and magnetic fields. Includes methods of increasing the rate of induction and Flemming’s right hand rule - contains practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more Lesson 1/2 Developing: Show understanding that a conductor moving across a magnetic field or a changing magnetic field linking with a conductor can induce an e.m.f. in the conductor. Secure: State the factors affecting the size of an induced e.m.f. Exceeding: Describe an experiment to demonstrate electromagnetic induction. Lesson 2/2 Developing: Recall that an induced current always flows in a direction such that it opposes the change which produced it. Secure: Describe an experiment to demonstrate Lenz’s law. Exceeding: Predict the location of north and south poles of a solenoid’s magnetic field when a bar magnet approaches and recedes from the solenoid.

Lesson covering all areas of momentum, including, calculating various parts of the equation including velocity after a head on collision and collision in the same direction; linking to car safety features. Developing: Recall and use the equation p = mv Secure: Describe the conservation of momentum and use to calculate mass, velocity or momentum in a crash situation. Exceeding: Use ideas of momentum to explain safety features.

Lesson building on students knowledge of transverse waves, looking at the discovery of the spectrum, starting with infrared radiation. Also looks at the characteristics some uses of each section of the spectrum - includes practice questions for students. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P7 and more. Developing: State that all electromagnetic waves travel at the speed of light in a vacuum. Securing: Recall the main features of the electromagnetic spectrum in order of wavelength. Exceeding: Describe properties and uses of electromagnetic radiation

Lesson designed to build on students knowledge of current and charge. Introduces electromotive force (e.m.f.), explains rules associated with voltage in series and parallel circuits - includes practice questions for students. Ideal for AQA GCSE (9-1) P2, Cambridge iGCSE P8 and more Developing: State that the potential difference (p.d.) across a circuit component is measured in volts and recall the definition of electromotive force (e.m.f.). Securing: State that the e.m.f. of an electrical source of energy us measured in volts and recall that 1V is equivalent to 1 J/C. Exceeding: Recall and apply the fact that from one battery terminal to the other, the sum of the potential differences (p.ds) across the components is equal to the p.d. across the battery.

Lesson designed to build upon prior knowledge of magnetic fields, motors and generators. Covers mutual induction, step up & step down transformers and the transformer equation - includes practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more Developing: Describe the construction of a basic transformer with a soft-iron core, as used for voltage transformations. Secure: Understand that mutual induction occurs in coils that are magnetically linked. Exceeding: Apply the equation (Vp / Vs) = (Np / Ns) to transformer problems and recall the meaning of the terms “step up” and “step down”.

Lesson designed to build upon students prior knowledge of electric charge. Covers the equation linking charge, current and time; introduces circuit symbols; building simple circuits; difference between conventional current and electron flow - includes practice questions for students. Ideal for AQA GCSE (9-1) P2, Cambridge iGCSE P8 and more Developing: Recall current is a rate of flow of charge and recall and use the equation I = Q / t. Secure: Use and describe the use of an ammeter, both analogue and digital. Exceeding: Distinguish between the direction of flow of electrons and conventional current.

Lesson to explore forces in balance, linking to terminal velocity - includes practice questions. Suitable for a higher KS3 class also. Developing: Recognise that if there is no resultant force on a body it either remains at rest or continues at constant speed in a straight line. Secure: Recognise air resistance as a form of friction. Exceeding: Explain, in terms of the forces acting, how the acceleration of an object experiencing air resistance varies during its fall.

Lesson building on prior knowledge of pressure in fluids, exploring the uses of pressure including manometers, barometers & hydraulics - includes practice questions for students. Ideal for Cambridge iGCSE P3 and more. Developing: Recall that the atmosphere around the Earth acts like a deep ocean of air that exerts pressure in all directions. Secure: Describe the simple mercury barometer and its use in measuring atmospheric pressure. Exceeding: Apply knowledge of atmospheric pressure and pressure in liquids to solve problems involving manometers.

Lesson introducing and explaining Hooke’s Law. Including elastic and plastic behaviour & the limit of proportionality - includes practice questions for students. Ideal for Cambridge iGCSE P3 Developing: Recall how to measure the extension of a spring. Secure: Explain the differences between elastic behaviour and plastic behaviour. Exceeding: Use the equation F = kx to work out the spring constant of a spring when a force is applied, and identify the point on a graph where Hooke’s law no longer applies.

Lesson introducing and explaining the various methods of making the use of electricity safe. Including fuses; circuit breakers (RCD); difference between alternating current (AC) and direct current (DC); wiring a plug; plug safety; earthing and double insulation - contains practice questions for students. Ideal for AQA GCSE (9-1) P2, Cambridge iGCSE P8 and more Developing: State the hazards of: 1) damaged insulation 2) overheating of cables 3) damp conditions. Securing: Explain the use of fuses and circuit breakers and choose appropriate fuse ratings and circuit-breaker settings. Exceeding: Explain the benefits of earthing metal cases.

Lesson designed to build on students knowledge of charge, looking at drawing field lines of test charges around various charged objects - includes practice questions for students. Ideal for AQA GCSE (9-1) P2, Cambridge iGCSE P8 and more. Developing: State that electric charges have an electric field around them. Secure: Describe an electric field as a region in which an electric charge experiences a force. Exceeding: Apply knowledge of electric fields to accurately draw the electric field around a point charge, a charged conducting sphere and the field between two parallel plates.

Lesson covering phenomena of liquids and vapours. Condensation and evaporation in real life examples e.g. sweating and refrigeration, linking to kinetic theory. Developing: Distinguish between boiling and evaporation. Securing: Relate evaporation to the constant cooling of the liquid from which the particles have escaped. Exceeding: Explain the cooling of a body in contact with an evaporating liquid.

Lesson explaining the phenomena of latent heat and also how to calculate using E =mL - includes practice questions for students. Developing: Recall that temperature does not change during a change of state. Securing: Apply the latent heat equation to calculate the energy required for a change in state. Exceeding: Qualitatively assess the behaviour of particles during a change of state and explain in terms of energy what happens during a change of state.

Lesson designed to introduce the various wave effects with many real life examples, also introduces the wave equation. - contains practice example questions. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P6 and more. Developing: Recall that waves can be reflected, refracted and diffracted. Securing: Draw diagrams that illustrate how waves can be reflected, refracted and diffracted. Exceeding: Accurately predict the behaviour of waves in real world situations by applying knowledge of reflection, refraction and diffraction.

Lesson building on students knowledge of waves, applying wave effects like reflection to light. Contains explanation of luminous and non-luminous objects with examples - includes practice questions for students. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P7 and more. Developing: Describe how light waves are reflected at surfaces with different textures. Securing: Recall the six features of light. Exceeding: Explain why the light emitted by a laser is monochromatic.

Lessons building on KS3 knowledge of magnets to explain where magnetism comes from. Includes ferrous and non-ferrous materials; domains; magnetic fields; inducing magnetism and de-magnetization - contains practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more Lesson 1/2 Developing: Distinguish between magnetic and non-magnetic materials Secure: Describe the forces between magnets and give an account of induced magnetism Exceeding: methods of magnetization and demagnetization Lesson 2/2 Developing: Draw the pattern of magnetic field lines around a bar magnet Secure: Describe an experiment to identify the pattern of magnetic field lines, including the direction Exceeding: Explain that magnetic forces are due to interactions between magnetic fields