Click on the links below to view individual lesson summaries.

1 Forces

1.1 Introduction to Forces

1.2 Balanced and Unbalanced Forces

1.3 Contact Forces

1.4 Non-Contact Forces

2 Simple Machines

2.1 Simple Machines and Mechanical Advantage

2.2 Inclined Planes, Wedges and Screws

2.3 Levers

2.4 Wheels & Axles and Pulleys

2.5 Gears and Drives

3a Kinetic and Potential Energy

3a.1 Introduction to Energy

3a.2 Kinetic Energy

3a.3 Potential Energy

3b Transfer and Transformation of Energy

3b.1 Energy Transfer

3b.2 Energy Transformation

3b.3 Conservation of Energy

3c Using Energy

3c.1 Energy-Efficient Design

3c.2 Energy Consumption and Clean Energy

4 Waves and Electromagnetic Radiation

4.1 Waves

4.2 Electromagnetic Radiation

5 Light, Sound and Heat

5.1 The Visible Light Spectrum and Colour

5.2 Reflection and Mirrors

5.3 Refraction and Lenses

5.4 Sound Waves

5.5 Heat Energy and Heat Transfer

6 Electricity

6.1 Introduction to Electricity

6.2 Electric Circuits and Circuit Diagrams

6.3 Measuring Electricity – Voltage and Current

6.4 Electrical Resistance and Ohm’s Law

7 Motion

7.1 Distance and Displacement, Speed and Velocity

7.2 Acceleration

7.3 Distance-Time Graphs and Displacement-Time Graphs

7.4 Speed-Time Graphs

7.5 Measuring Motion Using a Ticker Timer

8 Newton’s Laws of Motion

8.1 Overview of Forces and Newton’s Laws of Motion

8.2 Newton’s First Law of Motion

8.3 Newton’s Second Law of Motion

8.4 Newton’s Third Law of Motion

9 Energy, Work and Power

9.1 Work and Power

9.2 Mechanical Energy

9.3 Energy Transfer and Transformation