Lesson introducing and explaining calculating electrical energy & power. Contains worked examples - includes practice questions for students. Ideal for AQA GCSE (9-1) P2, Cambridge iGCSE P8 and more Developing: Recall that electric circuits transfer energy from the battery or power source to the circuit components then into the surroundings. Securing: Recall and use the equations P = IV and E = IVt Exceeding: Apply knowledge of electrical work to assess the efficiency of electrical devices.

Series of lessons designed to build on knowledge of current and voltage. Introducing resistance; Ohm’s Law; rules regarding length, cross sectional area, material and temperature; resistivity; current-voltage graphs of a wire, bulb, thermistor and diode; practical used for investigating the resistance of different components - includes questions for students to practice. Ideal for AQA GCSE (9-1) P2, Cambridge iGCSE P8 and more Lesson 1/3 Developing: State that resistance = p.d. / current and understand qualitatively how changes in p.d. or resistance affect current. Securing: Recall the four factors that affect the resistance of a conductor. Exceeding: Draw and interpret circuit diagrams containing multiple types of resistance component. Lesson 2/3 Developing: Recall and use the equation R = V / I Securing: Sketch a current-voltage graph for a metal conductor and a filament lamp and describe how current varies with p.d. for a metal conductor. Exceeding: Interpret the current-voltage graphs and explain the differences between the two types of conductor. Lesson 3/3 Developing: Recall that as a wire increases in length, so too does its resistance. Securing: Describe the qualitative relationship between the length and resistance of a wire and the relationship between cross-sectional area and resistance. Exceeding: Apply the proportionality between resistance and length, and the inverse proportionality between resistance and cross-sectional area of a wire to quantitative problems.

Lesson designed to build on prior knowledge of magnets, magnetic fields and current. Introduces and explains Flemming’s Left Hand Rule and also the turning effect on a coil - leading up to motors in the next lesson. Contains practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more Developing: Recall that a current carrying wire experiences a force in a magnetic field. Secure: Describe applications of current carrying wires in magnetic fields. Exceeding: Apply Fleming’s left-hand rule to real world situations.

Lesson covering thermal radiation that also recaps other methods of heat transfer. Also examines emitters, absorbers, insulation and vacuum flasks - contains student practice questions. Could also be used for a higher KS3 class Developing: Recognise that thermal energy transfer by radiation does not require particles. Securing: Describe the effect of surface colour (black or white) and texture (dull or shiny) on the emission, absorption and reflection of radiation. Exceeding: Outline experiments to show the properties of good and bad emitters and absorbers.

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.

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

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 building on knowledge of transformers and magnetic fields. Includes practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more. Developing: Recall and use the equation Ip Vp = Is Vs (for 100% efficiency) Secure: Describe the use of the transformer in high-voltage transmission of electricity. Exceeding: Explain why power losses in cables are lower when the voltage is high.

Two lessons designed to introduce the concept of electrical charge, static electricity, the uses of electrostatics and detecting charge using a gold leaf electroscope - includes practice questions for students. Ideal for AQA GCSE (9-1) P2, Cambridge iGCSE P8 and more Lesson 1/2 Developing: Recall that atoms are made up of (-ve)electrons, (+) protons and (0) neutrons. Secure: Describe the differences between conductors, insulators and semi-conductors. Exceed: Explain how polythene rods and wool cloth can be used to show charges attract and repel. Lesson 2/2 Developing: Recall that charge can be measured in coulombs or micro coulombs. Secure: Describe that objects can have an induced charge and the need for objects to be earthed. Exceeding: Give examples using electrostatic charge and how it works in each example.

Presentation to help students get to grips with friction and the need for lubricants - includes practice questions. Suitable for higher KS3 students also. Developing: Recall the definition friction and what direction is acts in. Secure: Explain how friction works and what causes it. Exceeding: Explore ways of reducing Friction.

Lesson taking a deeper look at thermal conduction, could be used for higher KS3 classes. Includes conductors and insulators and examines why conductors are colder to the touch than insulators. Developing: Draw particle diagrams to display the transfer of heat energy through conduction. Securing: Assess the different qualities of thermal conductors and insulators. Exceeding: Explain with reference to sub atomic particles, why metals are the best thermal conductors.

Lesson exploring forces naturally occurring on an object resulting in forces in equilibrium. Covers how to find an objects centre of mass - includes practice questions for students. Suitable for higher KS3 classes. Ideal for Cambridge iGCSE P3 Developing: Recall the definition of “centre of mass”. Secure: Describe an experiment to determine the position of the centre of mass of a plane laminar. Exceeding: Describe qualitatively the effect of the position of the centre of mass on the stability of simple objects.

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 building upon the basics of electronics. Introducing and explaining the use of transistors in circuits. Ideal for Cambridge iGCSE P10 and more Developing: Draw and label the transistor circuit symbol. Securing: Recognise the transistor role as that of a processor in an electrical system. Exceeding: Show understanding of circuits operating as light-sensitive switches and temperature operated alarms

Lessons designed to introduce and explain all areas on nuclear radiation, including their uses; background radiation; penetration and ionization levels - contains practice questions for students. Ideal for AQA GCSE (9-1) P4, Cambridge iGCSE P11 and more Lesson 1/2 Developing: Recall the main three types of nuclear radiation. Securing: Recognise the different properties of the main three types of nuclear radiation. Exceeding: Demonstrate knowledge of the influence of electric and magnetic fields on nuclear radiation through diagrams. Lesson 2/2 Developing: Demonstrate understanding of back ground radiation. Securing: Describe a method that can be used to detect alpha, beta and gamma nuclear radiation. Exceeding: Apply conceptual knowledge of back ground radiation to count rate problems.

Lesson bringing together students knowledge of energy stores and generation, looking at energy resources and their environmental impacts. Suitable for higher KS3 classes. Ideal for AQA GCSE (9-1) P1, Cambridge iGCSE P5 and more. Developing: Recall that there are renewable and non-renewable energy resources and give examples of these types of energy resources. Secure: Assess the relative reliability, cost scale of different energy resources

Lesson introducing the different types of energy and the concept of conservation of energy. Includes practice question and treasure hunt activity and pictionary cards. Suitable for higher KS3 class also. Ideal for AQA GCSE (9-1) P1, Cambridge iGCSE P5 and more. Developing: To understand key ideas and key terms relating to Energy. Secure: To describe the 9 forms of Energy. Exceeding: To describe and explain how Energy is transferred from one form to another.

Lesson introducing and explaining efficiency and how to calculate it. Also shows how to draw Sankey diagrams. Suitable for higher KS3 classes also - includes practice exam question. Ideal for AQA GCSE (9-1) P1, Cambridge iGCSE P5 and more Developing: To understand not all energy is transferred from one form directly to another Secure: To be able to calculate efficiency from given data. Exceeding: To be able to create a Sankey diagram from given data and calculate efficiency from it.