GCSE Physics - Sound Waves and Hearing #73

This video covers: - How sound waves travel through materials - The idea that sound waves are longitudinal - How wavelength changes with speed - The structure of the human ear and how it works - How the range of human hearing changes with age Exam board specific info: AQA - Separate/triple science and higher tier only IGCSE Edexcel - Not really in your course (apart from the fact that human hearing is 20-20,000 Hz) Edexcel - Separate/triple science and higher tier only OCR 21st Century - Separate/triple science and higher tier only OCR Gateway - Separate/triple science and higher tier only