The next step in this energy story involves recognising that when one energy store empties, another energy store elsewhere...

Physics Narrative 11-14

Richard Feynman, one of the most celebrated 20th century physicists, describes the idea of energy conservation eloquently...

Physics Narrative 11-14

Many levers work as force-multipliers. In this case a small force (or effort) acting on the lever moves a large distance to...

Teaching Guidance 11-14