Conservation of energy, electrical circuits, Ohm's law, energy efficiency and the global challenge of transitioning to sustainable energy sources.
Energy can't be created or destroyed — only transformed.
Useful output vs wasted energy — and how to improve it.
Where humanity gets its energy — and the trade-offs.
How spinning magnets and moving charges create electricity.
Evaluate the options for powering our future.
Build a circuit, draw it correctly, and understand each part.
One path or many — and why it matters.
V = IR: the equation that explains electric circuits.
Power — the rate at which energy is used.
How to compare appliances — and save money and energy.
Analyse past data to predict future energy demand.
Use evidence to judge the best energy path forward.