Energy is a concept that’s central to physics, but because it’s a word ... This topic appears in OCR, Edexcel, AQA, WJEC KS3 and GCSE in England and Wales, CCEA GCSE in Northern Ireland ...

Electricity travels at the speed of light - about 300,000 kilometres per second. Electricity was first discovered in 600BC - the Ancient Greeks discovered static electricity. Electric cars date ...