Across
- 4. verb when water is suddenly moved due to plate activity
- 6. When plates collide and mountains are formed
- 7. Theory that all large land masses were once part of Pangaea
- 8. Layer of Earth below the Crust
- 9. Synonym of size
- 10. When plates slide along each other and release energy in the form of Earthquakes
- 13. Top layer of the Earth
- 15. To gradually move apart
- 16. When two plates slide along each other
- 20. Opposite of pull force
- 21. Edge of a plate usually formed in the near mid-ocean ridges
- 22. Geometry deals with
- 24. Occurs when plates diverge
- 26. Last name of American geologist who theorised seafloor spreading
- 28. Shift when seismic activity occurs
- 30. When rocks/plates are recycled into magma due to subduction
- 33. A collective word for phenomena that may occur from seismic activity
- 34. Having the ability to attract metallic objects
- 37. Large body of water
- 38. When particles heat up and become less dense and rise, conversely when particles cool and clump together causing magma to sink.
- 40. Pertaining to ice
- 41. verb when water moves in all directions ripples
- 42. supercontinent
- 44. Large scale movement, relating to crust
- 45. First name of American geologist who theorised seafloor spreading
- 47. Synonym for characteristics
- 48. Layer in the Earth that Mantle convection occurs in
- 49. Where oceanic plates meet the ocean
- 52. Volcanic activity
- 54. When biological organisms decay, they form?
- 55. There are two kinds of this: potential and kinetic
Down
- 1. The point where two or more plates meet
- 2. 'harbour wave'
- 3. Organic material formed over millions
- 5. When two plates come together
- 11. When two plates converge and the more denser plate moves underneath the less dense plate
- 12. On this... magnitude 6.0 = 30*5 more energy than magnitude 5.0
- 14. Used to measure magnitude of earthquakes
- 17. location above the focus point for earthquakes
- 18. When two plates move apart
- 19. point in a wave where it begins to crash
- 22. Banded layers that have formed
- 23. Last name of geologist who theorised continental drift
- 25. When substances are layered over millions of years
- 27. Layers of plates that reverse polarities every 200-300k years
- 29. A device that measures earthquakes
- 31. Another informal descriptive word for plate tectonic
- 32. aka Crust
- 35. origins of earthquakes
- 36. If you ain't top tier, you are...?
- 39. Data to support observations and theories
- 43. First name of geologist who theorised continental drift
- 46. Structures which have magma residing within
- 50. Opposite of absorb
- 51. Opposite of push force
- 53. Are made up of many minerals