Across
- 2. molten material beneath or within the earth's crust
- 6. line drawn around earth going from the north pole to the south pole
- 7. The wearing down of substances from wind, rain, running water, and ice
- 8. A very long and narrow inlet in the sea between high cliffs, often formed by submergence of a glaciated valley
- 11. Is a low laying country or region
- 13. Rock that was once one form of rock but has changed to another under the influence of heat or pressure
- 14. A mountain or hill which lava, steam, ashes are expelled
- 15. The parallel of latidude 23° 26’ South
- 19. Major mountain chain of Western North America, running from Alaska to Mexico
- 22. a large mass of snow detached from a mountain slope sliding downward
- 23. The action or process of forcing a body of igneous rock between or through existing formations, without reaching the surface
- 24. The remains of a prehistoric organism preserved in petrified form or as a mold or cast in rock
- 26. Theory that the Earth’s surface is divided into pieces that move
- 27. Major division of geologic time composed of a number of periods.
- 28. what era did the formation Rocky Mountains begin in
- 32. Not allowing fluid to pass through
- 33. Large mass of ice
- 34. Periods during which glaciers covered much of the Earth
- 35. The outer layer of the earth
- 36. The action or process of draining something
- 37. An area of high or mountainous land
- 38. landmass that existed when all continents were joined
Down
- 1. An area of relatively level high ground
- 3. Solid rock underlying loose deposits such as soil
- 4. Was the time period from 248 million to 65 million years ago
- 5. The most recent era of geological time, from about 65 million years ago to present.
- 9. Is one of the three main rock types, the others are sedimentary and metamorphic
- 10. how many tectonic plates does the earth consist of
- 12. these rocks are often deposited in layers, and frequently contain fossils.
- 16. It is the oldest and longest era
- 17. Broad region of Precambrian rock that encircles Hudson bay
- 18. A tremor of the surface of the Earth, sometimes severe and devastating.
- 20. elevation on the earths surface usually greater than 2000 ft.
- 21. The parallel of latitude 23° 26’ North
- 25. vast physiographic region that spreads across the Laurentian craton of central North America.
- 26. The period of geological time between Hadean Time and the Phanerozoic Eon, was from 3.8 billion to 540 million years ago
- 29. A mountainous region or elevated part of a country.
- 30. process were rocks are created, changed from one form to another, destroyed, and then formed again.
- 31. A long, narrow valley lying between two normal geologic faults
- 35. A sudden loud noise and a substance starts to come out of the earth
