Earth's Structure from Seismic Evidence

Part of Seismic Waves · Section 4 of 14

DiagramUnit: WavesGCSE

This diagram covers Earth's Structure from Seismic Evidence within Seismic Waves for GCSE Physics. Revise Seismic Waves in Waves for GCSE Physics with 13 exam-style questions and 15 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 4 of 14 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

📊 Earth's Structure from Seismic Evidence

Cross-section of Earth showing crust, mantle, liquid outer core and solid inner core, with P-waves passing through and S-waves stopping at liquid core

Figure 2: Earth's internal structure as revealed by seismic wave analysis

Practice questions for Seismic Waves

What type of wave is a P-wave (primary seismic wave)?

  • A. Longitudinal wave
  • B. Transverse wave
  • C. Electromagnetic wave
  • D. Surface wave only
1 markfoundation

State two differences between P-waves and S-waves in terms of how the particles move and what materials they can travel through.

2 marksstandard

Quick recall flashcards

What are S-waves?
Secondary (transverse) seismic waves - slower
What are P-waves?
Primary (longitudinal) seismic waves - fastest

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