Core idea
Use direct and indirect evidence to explain Earth structure, seismic waves and shadow zones, earthquakes and volcanoes.
Define the process, locate it spatially, explain evidence, then connect cause with effect. Use a labelled diagram or map when it clarifies the answer.
Revision checks
- Define the central process or concept.
- Explain one cause-and-effect relationship with a specific example.
- What map, diagram or data would help test your explanation?