Across
- 3. A geological state that can lead to damage or harm
- 4. A fault in which rock strata are displaced mainly in a horizontal direction, parallel to the line of the fault
- 7. Any long, narrow, steep-sided depression in the ocean bottom
- 9. The geological process in which sediments, soil and rocks are added to a landform or land mass
- 12. A process that rocks go through to turn into other rocks
- 15. A plate boundary where two plates are moving towards each other
- 17. A crack in the Earth's crust
- 21. The brown or black upper layer of Earth where plants grow
- 22. Hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling
- 24. A transverse earthquake wave that travels through the interior of the earth
- 26. The effect on rocks by temperature or water that breaks them apart
- 27. The Boundary in which two plates are moving away from each other
- 31. The transfer of heat from a hotter substance to a colder one
- 32. The sliding down of rocks or dirt from a cliff or mountain
- 33. A longitudinal earthquake wave that travels through the interior of the earth
- 34. A violent shaking of the ground, in result with the movement of plates
- 36. A break between basement rock and coastal plane
- 37. A long high sea wave caused by an earthquake, submarine landslide, or other disturbance
- 38. A hypothetical supercontinent that included all current land masses, believed to have been in existence before the continents broke apart during the Triassic and Jurassic Periods
- 39. The region of the earth's interior between the crust and the core, believed to consist of hot, dense silicate rocks
- 40. A destructive mud flow on the slope of a volcano
- 41. The point on Earth vertically above the focus
Down
- 1. A map that shows both natural and manmade features
- 2. The rigid outer part of the Earth, consisting of both the crust and upper mantle
- 5. Sediment whose particles are larger than silt (typically greater than 0.06 mm)
- 6. A plate boundary where two plates are sliding past each other
- 8. Sediment whose particles are between clay and sand in size (typically 0.002–0.06 mm)
- 10. A theory explaining the earth's crust, the plates, and their movements
- 11. A German geophysicist who proposed the theory of continental drift
- 13. The erosion or disintegration of rocks caused by chemical reactions
- 14. A cavity in the ground, especially in limestone bedrock, caused by water erosion and providing a route for surface water to disappear underground
- 16. A long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading
- 18. A foliation parallel to the bedding
- 19. The point inside the earth's crust where pressure is released
- 20. Molten magma that has erupted out of a volcano
- 23. The submerging of an area with water
- 25. The breaking down of rocks
- 28. A geologic fault in which the hanging wall has moved upward relative to the footwall
- 29. A mountain or hill with a crater where lava flows or had flowed
- 30. A proposed mechanism for plate motion in plate tectonics
- 35. A mass of snow and ice rapidly falling down a mountainside
- 42. Sediment with particles smaller than silt, typically less than 0.00016 inch (0.004 mm)