Lesson covering convection currents with animations to aid explanations. Contains real life examples e.g. fridges and linking to plate tectonics - contains practice questions for students. Suitable for higher level KS3 students. Developing: Recognise convection as a process that transfers energy. Securing: Use models to describe convection currents in real world situations. Exceeding: Explain with reference to thermal expansion and density how convection transfers energy from one location to another.

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.

Lesson designed to build upon prior knowledge of magnetic fields and electric current. Covers the motor effect and how to increase the strength of an electric motor - includes practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more Developing: State that a current-carrying coil in a magnetic field experiences a turning effect and that the effect is increased by: – increasing the number of turns on the coil – increasing the current – increasing the strength of the magnetic field. Secure: Relate this turning effect to the action of an electric motor including the action of a split-ring commutator. Exceeding: Apply Fleming’s left-hand rule to determine the direction of rotation of a current carrying coil in a a magnetic field.

Lesson exploring the states of matter and kinetic theory, touching on internal energy - includes student video task. Developing: State the properties of solids, liquids and gases. Securing: Relate the properties of solids, liquids and gases to the forces and distances between molecules. Exceeding: Describe kinetic theory and state evidence that supports kinetic theory.

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.

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 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.

Lessons designed to build on prior knowledge of radioactivity and radioactive decay. Introducing and explaining fission of radioactive materials and fusion - includes practice questions for students. Ideal for AQA GCSE (9-1) P4, Cambridge iGCSE P11 and more Lesson 1/2 Developing: State the meaning of nuclear fission. Securing: Recall the basic design features of a nuclear fission power station and the location of the nuclear fission process. Exceeding: Recall the basic design features of a nuclear fission power station and the location of the nuclear fission process. Lesson 2/2 Developing: State the main differences between nuclear fusion and nuclear fission. Securing: Recall that fusion takes place naturally in the centre of stars. Exceeding: Evaluate in simple terms why nuclear fusion reactors are not used to produce energy in nuclear fusion reactors.

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 help students get to grips with measuring length and time - contains practice questions and pendulum practical - suitable for higher KS3 classes also. Developing: measure length using a ruler, micrometer and vernier caliper Secure: calculate the period of a pendulum by using a stop watch. Exceeding: explain why having accurate measurements is important and explain what zero error is.

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 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 to build on students understanding of refraction, detailing how to calculate the refractive index of a material - includes practicer questions for students. Ideal for Cambridge iGCSE P7 and more Developing: Recall and use the equation n= Sin(i)/Sin® Securing: Use angles of incidence and refraction to calculate the refractive index of optical media. Exceeding: Apply knowledge to determine the critical angle of different optical media.

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 build upon prior knowledge of current and magnetic fields - includes practice questions for students. Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more Developing: State that a current in a wire produces a magnetic field Secure: Describe and sketch the magnetic field lines around a single wire/ loop Exceeding: Explain the magnetic field pattern around a solenoid using the right hand grip rule

Set of lessons designed to introduce and explain how we convert different energy stores into electricity - links to efficiency. Suitable for higher KS3 classes also. Conatains many real life examples. Ideal for AQA GCSE (9-1) P1, Cambridge iGCSE P5 and more. Lesson 1/2 Developing: Recall that electrical energy comes from generators in power stations. Securing: Complete a flow diagram demonstrating the energy transfers that take place in a power station. Exceeding: Produce accurate Sankey diagrams that describe the energy efficiency of power stations. Lesson 2/2 Developing: Recall the three types of fossil fuel. Securing: Relate the different methods of electricity generation to different types of pollution. Exceeding: Analyse the advantages and disadvantages of using renewable energy sources.

Lesson introducing and explaining what makes up atoms and isotopes - includes practice questions for students. Ideal for AQA GCSE (9-1) P4, Cambridge iGCSE P11 and more Developing: Describe the structure of the atom in terms of a positive nucleus and negative electrons. Securing: Recognise the distinguishing feature of isotopes. Exceeding: Apply knowledge of mass number to establish the identity of different elements.

Lesson designed to introduce and explain the various uses of radioactivity - including practice questions for students Ideal for AQA GCSE (9-1) P4, Cambridge iGCSE P11 and more Developing: Describe three ways that radioactive isotopes are used. Securing: Describe why it is important to use small quantities of radioactive tracers with short half-lives. Exceeding: Apply knowledge of radioactive decay to quantitatively estimate the ages of objects.