Across
- 4. a common extrusive volcanic rock
- 7. the point within the Earth where an Earthquake rupture starts
- 8. the place inside Earth's crust along which there is movement
- 10. when the liquid rock is still underground
- 12. a super continent that broke up 180 million years ago
- 13. when 2 plates collide and one plate is driven beneath the other
- 14. occurs when 2 plates slide past each other horizontally
- 15. this occurs when plates move towards each other and collide
Down
- 1. a very hard igneous rock
- 2. the movement of fluid as a result of heating or convection
- 3. where 2 plates are moving away from each other
- 5. a part of the upper mantle just below the lithosphere
- 6. a super continent that broke up 200 million years ago
- 9. the scientific study of earthquakes and the movement of waves in Earth
- 11. the place inside Earth's crust where an earthquake originates