GCSE Physics (9-1) - GCSE Physics - Seismic Waves - P-waves & S-waves (2026/27 exams)

⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Seismic Waves * P-waves (Primary waves) are longitudinal and can travel through solids and liquids. * S-waves (Secondary waves) are transverse and can only travel through solids. 2. Earth's Internal Structure * How scientists use seismometers to detect waves and analyse their paths. * The behaviour of seismic waves, including reflection and refraction, as they travel through different layers of the Earth. 3. Evidence from Seismic Waves * How the paths of P-waves and S-waves provide evidence for the structure and state of the Earth's mantle and core. * An explanation of S-wave and P-wave shadow zones and what they tell us about the liquid outer core. *** EXAM BOARD INFO *** AQA - Separate/triple science and higher tier only IGCSE Edexcel - Not in your course Edexcel - Don't need to know the details about how it was used to discover the internal structure of the earth OCR 21st Century - Don't need to know the details, but the general idea of using waves to discover internal structure of earth is helpful OCR Gateway - Not in your course *** CHAPTERS *** 0:00 What are Seismic Waves? 0:31 P-wave and S-wave Properties Explained 0:51 How Seismologists Study Earth's Structure 1:29 Reflection and Refraction of Seismic Waves 2:48 P-wave Path Through Earth's Layers 3:02 S-wave Path and the Liquid Outer Core 3:25 P-wave and S-wave Shadow Zones 3:59 Summary of Evidence from Seismic Waves *** PLAYLISTS *** https://youtube.com/playlist?list=PLidqqIGKox7VzYfPIVt8T09xOLNcolCe4&si=8JmDajxjtba6rdc3 https://youtube.com/playlist?list=PLidqqIGKox7UZ3mWhbHv2aA_1vnbsfRPq&si=q3hEKdA4v7kbfwMe https://youtube.com/playlist?list=PLidqqIGKox7XPh1QacLRiKto_UlnRIEVh&si=orIUwL3o2jOoiYjT https://youtube.com/playlist?list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g&si=DcihOwUkd9oWbbdp https://youtube.com/playlist?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W&si=Y8MsO-FK948jnxpS https://youtube.com/playlist?list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7&si=-7i5Iq7yOeJrhtu6 https://youtube.com/playlist?list=PLidqqIGKox7VKJD2WxRhoKaI6JGLVean8&si=NH_Q1ujhVgACM2FU #GCSE #Physics #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE