- Electric Loops
- What happens in circuits?(Introduction)
- Electric current – a flow of charges(Exposition)
- A simple loop – current the same everywhere(Exposition)
- The direction of the electric current(Exposition)
- A summary, so far(Summary)
- Adding to simple circuits(Introduction)
- Adding batteries to the circuit(Exposition)
- Extra batteries – the electric circuit model(Exposition)
- Adding a second lamp in series(Exposition)
- Lamps in series – the electric circuit model(Exposition)

- Seeing & Hearing
- Seeing everyday(Introduction)
- Seeing with light(Exposition)
- Travelling light(Exposition)
- Light travelling in straight lines(Exposition)
- How far can light travel?(Exposition)
- Light meeting obstacles(Exposition)
- Reflection of light(Exposition)
- Not just mirrors(Exposition)
- Diffuse reflection of light(Exposition)
- Hearing everyday sounds(Introduction)
- How are we able to hear?(Exposition)
- Human hearing(Expansion – tell me more)
- Describing what you can hear(Introduction)
- Pitch and frequency(Exposition)
- Loudness and amplitude(Exposition)
- Speed of travel(Exposition)
- Speeds of sound in different media(Expansion – lead me deeper)
- Working with sounds(Exposition)
- Lighting moving objects(Exposition)
- What's moving – day and night(Exposition)
- The apparent path of the Sun during the day(Exposition)
- Day and night – what we know and how we know(Exposition)
- The moon – our nearest neighbour(Exposition)
- Movements in the solar system(Exposition)
- How do things stay in orbit?(Exposition)

- Moving
- Describing movement(Introduction)
- Movement and speed(Exposition)
- Talking about speed(Exposition)
- Let's talk forces(Introduction)
- Looking through forces spectacles(Exposition)
- Keeping it simple – modelling(Exposition)
- Force arrows(Exposition)
- Equilibrium – a question of balance(Exposition)
- Lessons from this first look at forces(Summary)
- Magnets everywhere(Introduction)
- Permanent magnets(Exposition)
- The poles of a magnet(Exposition)
- Interactions between magnets(Exposition)
- A model of magnets(Exposition)
- Two groups of forces(Introduction)
- Forces exerted by distorted solids(Exposition)
- Buoyancy(Exposition)
- Friction(Exposition)
- Where we've got to with contact forces(Summary)
- A new group of forces – without contact(Exposition)
- Magnetic forces and fields(Exposition)
- Gravity and the experience of weight(Exposition)
- Electric forces(Exposition)
- Two groups of forces(Summary)