Across
- 5. Area where two plates are slipping sideways past each other
- 6. Scientist who studies the processes that shape Earth's crust
- 7. Plate boundary where plates are moving sideways past each other
- 9. Thin semi-rigid outer surface of the planet
Down
- 1. Type of current caused by heated liquids or gases rising
- 2. Seismic events which occur around the margins of plates
- 3. Large mass of less dense crust which is above sea level
- 4. Area which includes both continental and oceanic crust
- 8. Type of crust which is produced at mid-ocean ridges