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Unit 1: Motion
- 1. Where is it? Position and distance☆☆☆
- 2. How fast? SpeedLocked
- 3. Speeding up and slowing down: accelerationLocked
- 4. Graphs that tell storiesLocked
Unit 2: Forces and Newton's Laws
- 5. What is a force? Pushes and pullsLocked
- 6. Newton's First Law: things keep doing what they're doingLocked
- 7. Newton's Second Law: F = m × aLocked
- 8. Newton's Third Law: every push pushes backLocked
- 9. Friction: the force that lets us walkLocked
- 10. Air resistance and terminal velocityLocked
- 11. Balanced and unbalanced forcesLocked
Unit 3: Gravity and Space
- 12. Gravity: why things fallLocked
- 13. Mass vs weightLocked
- 14. Galileo's falling objectsLocked
- 15. Orbits: why the Moon doesn't fall downLocked
- 16. Newton's law of universal gravitationLocked
- 17. Planets, the Sun and tidesLocked
Unit 4: Energy
- 18. What is energy? Forms of energyLocked
- 19. Movement energy: kinetic energyLocked
- 20. Height energy: gravitational potential energyLocked
- 21. Energy is never lost: conservationLocked
- 22. Work and powerLocked
- 23. Energy in your body: food, muscles and caloriesLocked
Unit 5: Momentum and Collisions
- 24. MomentumLocked
- 25. Collisions: bouncy and stickyLocked
- 26. Why seatbelts and helmets save livesLocked
Unit 6: Simple Machines
- 27. LeversLocked
- 28. Pulleys, ramps, wheels and gearsLocked
- 29. Turning forces: momentsLocked
Unit 7: Matter and Pressure
- 30. Atoms and moleculesLocked
- 31. Solids, liquids and gasesLocked
- 32. Density: why some things floatLocked
- 33. Pressure: snowshoes and drawing pinsLocked
- 34. Floating and sinking: buoyancy and ArchimedesLocked
- 35. Air pressure and flightLocked
Unit 8: Heat
- 36. Hot and cold: temperature vs heatLocked
- 37. How heat movesLocked
- 38. Melting, boiling and freezingLocked
- 39. How your body keeps warm and coolLocked
Unit 9: Waves and Sound
- 40. What is a wave?Locked
- 41. Sound: vibrations you can hearLocked
- 42. Pitch and loudnessLocked
- 43. Echoes, bats and ultrasoundLocked
Unit 10: Light
- 44. Light travels in straight lines: shadowsLocked
- 45. Reflection: mirrorsLocked
- 46. Refraction: bending lightLocked
- 47. Rainbows and colourLocked
- 48. How your eyes seeLocked
- 49. Speed of lightLocked
Unit 11: Electricity and Magnetism
- 50. Static electricityLocked
- 51. Circuits: current, voltage, resistanceLocked
- 52. Ohm's lawLocked
- 53. Magnets and magnetic fieldsLocked
- 54. Electromagnets and motorsLocked
- 55. Electricity in your bodyLocked
Unit 12: The Big Ideas
- 56. The electromagnetic spectrumLocked
- 57. Inside the atomLocked
- 58. Energy from the Sun: nuclear fusionLocked
- 59. Einstein's big ideasLocked
- 60. The tiny world: quantum physicsLocked
- 61. The universe: the Big Bang and star stuffLocked
- 62. Physics is life: from atoms to youLocked