Join Miss Sarah Blake in this comprehensive GCSE Physics episode exploring waves, sound, light, and the electromagnetic spectrum. Learn the fundamental differences between longitudinal and transverse waves, discover key wave properties including wavelength, frequency, and amplitude, and master the essential wave equation. Explore how sound waves propagate through different media and understand why sound travels at different speeds through solids, liquids, and gases. Delve into the electromagnetic spectrum, from radio waves to gamma rays, and understand how visible light fits into this broader picture. Examine crucial wave behaviors including reflection, refraction, diffraction, and interference, with practical examples that help explain everyday phenomena. Perfect for GCSE Physics students preparing for examinations, this episode covers essential curriculum content with clear explanations and memorable examples. Learn how wave principles apply to real-world applications from musical instruments to medical imaging technology. Essential listening for understanding one of physics' most important concepts, presented in an accessible format that makes complex wave theory easy to understand and remember for exam success.