BBC6 年
KS3 / KS4 Physics: Gravity, size and mass
Each tree has to support its mass against the downwards force of Earth's gravity. At the same time ... This topic appears in OCR, Edexcel, AQA, WJEC KS3, KS4 and GCSE in England and Wales ...
BBC10 个月
Physics KS3 / GCSE: What happens if there’s no gravity?
Professor Brian Cox experiences what a world without gravity would be like ... This topic appears in OCR, Edexcel, AQA, WJEC KS3, KS4 and GCSE in England and Wales, CCEA GCSE in Northern Ireland ...