Seismic waves are produced by earthquakes and travel through the Earth. Explain how the different properties and pathways of P-waves and S-waves provide evidence that the Earth has a liquid outer core.
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Markscheme
4.3 Sound, ultrasound and infrasound (physics only) Questions
35 exam-style questions on Edexcel GCSE Physics 4.3 Sound, ultrasound and infrasound (physics only). Each one has a worked solution and a mark scheme showing where the marks go.