Across
- 5. a gradual sinking to a lower level
- 6. vibration from underground movement along a fault line
- 10. the amount per unit size
- 11. the transmission of heat or electricity or sound
- 12. the exertion of force to a surface
- 13. Floor the bottom of a sea or ocean
- 14. the central part of the Earth
- 17. an increase in the density of something
- 19. the formation of crystals
- 21. the outer layer of the Earth
- 23. the layer of the earth between the crust and the core
- 25. a crack in the earth's crust
- 28. movement of the edge of one tectonic plate under another
- 29. one of the large landmasses of the earth
- 35. (plate tectonics) a hypothetical continent including all the landmass of the earth prior to the Triassic period when it split into Laurasia and Gondwanaland
- 36. a rigid layer of the Earth's crust
- 38. relating to or associated with heat
- 39. a hypothetical continent that (according to plate tectonic theory) broke up later into India and Australia and Africa and South America and Antarctica
- 40. Fault a geological fault in which one of the adjacent surfaces appears to have moved horizontally
- 41. the part of the Earth consisting of the crust and mantle
Down
- 1. transfer of heat caused by molecular motion in liquid or gas
- 2. a crack in the earth's crust resulting from displacement
- 3. Fault a geological fault in which the upper side appears to have been pushed upward by compression
- 4. a stress that produces an elongation of a physical body
- 7. the lower layer of the crust
- 8. the atmospheric layer between the stratosphere and the thermosphere
- 9. (physics) force that produces strain on a physical body
- 15. Valley a valley with steep sides
- 16. lift up from the earth, as by geologic forces
- 17. Drift the gradual movement of very large land masses
- 18. a geological process that causes a bend in a stratum of rock
- 19. Shelf the relatively shallow seabed surrounding a continent
- 20. Tectonics the movement or study of movement of Earth's crust.
- 22. an instrument for measuring movements of the ground
- 24. alter the shape of (something) by stress
- 26. Scale a logarithmic scale of 1 to 10 formally used to express the magnitude of an earthquake the basis of the size of seismograph oscillations
- 27. the branch of geology that studies rocks and land forms
- 30. a long steep-sided depression in the ocean floor
- 31. Fault an inclined fault in which the hanging wall appears to have slipped downward relative to the footwall.
- 32. the accumulation of materials deposited by some natural process
- 33. Movement movement resulting from or causing deformation of the earth's crust
- 34. a hypothetical continent that (according to plate tectonic theory) broke up later into North America and Europe and Asia
- 37. molten rock in the earth's crust