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