Across
- 2. the stress produced by two tectonic plates sliding past each other horizontally
- 3. a deep underwater valley
- 7. the theory that the continents can move apart from each other and have done so in the past
- 9. the landmass below a fault
- 12. the process of mountain formation
- 15. the stress produced by two tectonic plates coming together
- 17. the bending of rock layers from stress in the earth's crust
- 18. the point at which one tectonic plate meets another
Down
- 1. the stress produced by two tectonic plates moving apart
- 4. the landmass above a fault
- 5. a change in the shape or volume of rocks
- 6. the process by which new oceanic lithosphere is formed at an oceanic ridge as older materials are pulled away from the ridge
- 8. the process of one tectonic plate being pushed under another tectonic plate
- 10. the study of the movement and changes in the rocks that make up the earth's crust
- 11. a mountain chain that forms on the ocean floor where tectonic plates pull apart
- 13. the breaking of the earth's crust and the sliding of the blocks of crust along the break
- 14. the equilibrium in the earth's crust maintained by a flow of rock material in the asthenosphere
- 16. a large area of flat-topped rock high above sea level