Progress IGCSE Theatre of Science Complete & Continue Next Lesson Learn More IGCSE Solids, Liquids and Gases 2 Lessons IGCSE Solids, Liquids and Gases printouts Lesson 1: Density and Volume IGCSE Magnetism 7 Lessons IGCSE Magnetism printouts Lesson 1: Magnets Lesson 2: Electromagnets Lesson 3: The Motor Effect Lesson 4: Electromagnetic Induction Lesson 5: Transformers Lesson 6: Transformers II IGCSE Astrophysics 6 Lessons IGCSE Astrophysics printouts Lesson 1: Earth and Orbits Lesson 2: Where is our solar system? Lesson 3: Stars Lesson 4: Red Shift Lesson 5: The Big Bang IGCSE Energy 9 Lessons IGCSE Energy printouts Lesson 1: Energy stores Lesson 2: Conduction Lesson 3: Convection Lesson 4: Radiation Lesson 5: Work done Lesson 6: Pathways Lesson 7: Gravitational and Kinetic Energy Lesson 8: Sankey Diagrams IGCSE Waves 13 Lessons IGCSE Waves printouts Lesson 1: What is a Wave? Lesson 2: Electromagnetic Waves Lesson 3: Reflections Lesson 4: Refraction Lesson 5: Total internal reflection Lesson 6A: Lenses (Part 1) Lesson 6B: Lenses (Part 2) Lesson 7: Diffraction Lesson 8: Sound Lesson 9: Ultrasound Lesson 10: Speed, Wavelength, Frequency and the Doppler effect Lesson 11: Signals IGCSE Electricity 13 Lessons IGCSE Electricity printouts Lesson 1: Static Electricity Lesson 2: Conductors and Insulators Lesson 3: Electric Current Lesson 4: Voltage Lesson 5: Resistance Lesson 6: Series and Parallel Circuits Lesson 7: Resistors Lesson 8: Potential Dividers Lesson 9: Ohm's Law Lesson 10: The Circuit Lesson 11: Power Lesson 12: Household Electricity IGCSE Forces and Motion 15 Lessons IGCSE Forces and Motion printouts Lesson 1: Measuring stuff Lesson 2: Distance Time Graphs Lesson 3: Speed-time graphs Lesson 4: Vectors Lesson 5: Forces Lesson 6: Newton's Laws Lesson 7: Mass and Weight Lesson 8: Terminal Velocity Lesson 9: Hooke's Law Lesson 10: Momentum Lesson 11: Impulse Lesson 12: Moments Lesson 13: Centre of Mass Lesson 14: Adding Vectors IGCSE Theatre of Science Complete & Continue Next Lesson Learn More IGCSE Electricity Lesson 8: Potential Dividers