Lesson designed to build on prior knowledge of Flemming’s rules. Introduces and explains simple AC generators - includes practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more Developing: Distinguish between direct current (d.c.) and alternating current (a.c.) Secure: Describe and explain a rotating-coil generator and the use of slip rings Exceeding: Sketch a graph of voltage output against time for a simple a.c. generator and relate the position of the generator coil to the peaks and zeros of the voltage output

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

Lesson covering the addition of vectors in a straight line and at right angles, calculating magnitude and direction of each force - Practice questions included. Developing: Recall the difference between vector and scalar quantities with examples. Secure: Calculate the resultant of two vectors by adding vectors that occur in parallel or at right angles to each other. Exceeding: Solve exam style questions using vectors.

Presentation to help students get to grips with calculating density and volume - contains practice questions. Suitable for AQA P3, Cambridge iGCSE P1 and more! Developing: Recall the definitions for density and weight Secure: Be able to use the equations for density and weight Exceeding: Predict whether an object will sink or float based on density data

Presentation to help students get to grips with prefixes and scientific notation - contains practice questions - also suitable for higher KS3 classes. Developing: Recall the 8 basic prefixes. Secure: Most students will be able to use the 8 basic prefixes in the keywords and explain what they mean with an example. Exceeding: Apply scientific notation and convert fractions/decimals into standard form.

Lesson designed to introduce students to electronics and circuit construction. Ideal for Cambridge iGCSE P10 and more Developing: Recall the three parts of all electronic systems. Securing: Summarise the differences between analogue and digital signals. Exceeding: Explain how alternating current is converted in to direct current

Lesson used to deepen students understanding of sound. Explores various ways of measuring the speed of sound and calculating echoes - includes practice questions for students. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P6 and more. Developing: Recall the typical values for the speed of sound in gases, liquids and solids. Securing: Describe how the reflection of sound may produce an echo. Exceeding: Describe an experiment to determine the speed of sound in air.

Presentation to support a ticker tape investigation of motion - contains practice questions, practical instructions/analysis/graph drawing and homework - suitable for higher KS3 classes also. Developing: Conduct the experiment safely Secure: Measure and record accurate results Exceeding: Analyse the motion on the ticker tape

Lesson to build on students knowledge of reflection. Shows many naturally occurring examples of total internal reflection but also fiber optics and periscopes. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P7 and more Developing: Describe internal and total internal reflection. Securing: Give the definition of the term critical angle. Exceeding: Describe and explain the action of optical fibres particularly in medicine and communications technology.

Lesson introducing the Law of Inertia and F=ma - contains practice questions and student tasks. Developing: Recall 6 common forces. Secure: Recognise that, when there is no resultant force, forces are balanced and a body either remains at rest or continues at constant speed. Exceeding: Apply the relation between force, mass and acceleration F=ma.

Lesson building on students prior basic knowledge of refraction and linking to light waves. Looks at various examples, paying specific attention to dispersion - includes practice questions. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P7 and more. Developing: Describe an experiment to demonstrate the refraction of light. Securing: Recall and use the definition of refractive index n in terms of speed. Exceeding: Give a qualitative account of the dispersion of light by a glass prism.

Lesson introducing and explaining pressure calculating in solids and fluids - including practice questions for students. Ideal for AQA GCSE (9-1) P3, Cambridge iGCSE P3 and more. Developing: Relate pressure to force and area. Secure: Calculate pressure force and area using the equation P=F/A Exceeding: Calculate pressure in liquids by using the equation P = pgh

Presentation to help students get to grips with calculating speed and acceleration, also the difference between speed and velocity - contains practice questions. Developing: Determine the speed of objects using the following formula: Speed = Distance/Time Securing: Recall the definitions of speed, velocity and acceleration. Exceeding: Calculate the average acceleration.

Lesson introducing the use of forces and turning effects like levers, including moments - includes practice questions for students. Also suitable to higher KS3 classes. Ideal for Cambridge iGCSE P3 Lesson 1/2 Developing: Describe the moment of a force as a measure of its turning effect and give everyday examples. Secure: Understand that increasing force or distance from the pivot increases the moment of a force. Exceeding: Recognise that, when there is no resultant force and no resultant turning effect, a system is in equilibrium. Lesson 2/2 Developing: Calculate clockwise and anti-clockwise moments using the formula: moment = force x perpendicular distance from pivot Secure: Apply the principle of moments to different situations. Exceeding: Apply the principle of moments to the balancing of a beam or pivot.

Lesson exploring free fall and terminal velocity with a link to the acceleration equation and ‘g’ - contains practice questions. Developing: Define what is meant by the term “free fall” Secure: Recall the value of the acceleration of free fall and state that this acceleration is uniform. Exceeding: With the help of motion graphs, describe qualitatively the motion of bodies falling in a uniform gravitational field with and without air resistance.

Lesson covering the evolution of our understanding of the atom. Looks at each model in chronological order: Democritus ‘Atomos’; JJ Thompson ‘Plumb Pudding’; Ernest Rutherford Gold foil experiment - includes practice questions for students Ideal for AQA GCSE (9-1) P4, Cambridge iGCSE P11 and more Developing: Recall the names and locations of the three sub-atomic particles found inside every atom. Securing: Describe the major differences between J.J. Thomson’s plum pudding model and Rutherford’s nuclear model of the atom. Exceeding: Explain how alpha-radiation may be used to determine the distribution of mas and positive charge inside atoms.

Lesson designed to introduce waves to KS4 students, contains lots of animations - includes practice questions for students. Ideal for AQA GCSE (9-1) P6, Cambridge iGCSE P6 and more Developing: Recall the meaning of the terms “speed”, “frequency”, wavelength” and “amplitude”. Securing: Distinguish between transverse and longitudinal waves and give suitable examples. Exceeding: Quantitatively analyse waves by applying the wave equation to real world examples.

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 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.

Lesson exploring what happens when materials are heated with real life examples e.g. train lines, bridge gaps and thermostats - includes questions for students. Developing: Identify some of the everyday applications of thermal expansion. Securing: Describe qualitatively the thermal expansion of solids, liquids and gases at constant pressure. Exceeding: Explain in terms of the motion and arrangement of molecules, the extent to which solids, liquids and gases expand when temperature increases.