Files to support your learning for Wave Nature:
Resource - Wave characteristics
Files to support your learning for EM Spectrum:
Presentation - Medical uses of electromagnetic spectrum
Presentation - The expanding Universe
Files to support your learning for Sound:
Here are some practice questions to try: BBC Bitesize Waves Multiple Choice quiz
There are sample GCSE review packs for this unit at: Physics and Maths
Here are a selection of longer questions from old GCSE papers