Across
- 3. a violent tropical cyclone occurring in the western Pacific or the Indian Ocean, chiefly during the period from July to October
- 4. a scientist who studies volcanoes.
- 9. Meridian a meridian of 0 degrees longitude that runs through the original site of the royal observatory at green watch England, and from which other longitude are reckoned east and west.
- 11. equatorial ocean regions noted for dead calms and light fluctuating winds.
- 12. having died out; no longer active, no longer in existence or use. Animals become extinct when the lass of their kind die.
- 15. the science that deals with the earth, the layers of which it is composed.
- 16. asleep, inactive.
- 18. a fault in which the displacement is largely in the direction of the direction of the strike fault with mostly horizontal displacement .
- 20. a person who studies a science that deals with the history of the earth and its life, especially as recorded in rocks.
- 21. an imaginary line north or south of the earth’s equator and parallel to it.
- 23. an imaginary line from the North Pole to the south pole at 180 degrees longitude.
- 26. loosely, a windstorm with a violent, whirling movement; a storm with strong winds rotating counter clockwise in the Northern Hemisphere about a moving center of low atmospheric pressure.
- 27. an imaginary line around the earth 23- ½ degrees north of the equator.
- 28. Time the time scale used for the birth and formation of the earth to the present time.
- 29. a small knot or irregular rounded lump.
- 30. a very small island, usually associated with a larger island or atoll.
- 33. the region between 23 ½ degrees north latitude and 23 ½ degrees south latitude.
- 35. a deep trench in the ocean floor about 600 to 100 miles east of the Mariana Islands caused by the Pacific Ocean plate moving down under the Philippine plate.
- 38. molten rock material within the earth from which an igneous rock is produced by cooling.
- 39. the condition of the atmosphere at a particular time and place with respect temperature, moisture, violence or gentleness of winds, clearness or cloudless, ect.
- 40. the lens of fresh water found underground either sitting on non-porous volcanic rock or floating on seawater.
- 42. upper layer of the earth that can be dug or plowed and in which plants can grow
- 43. a hill or a mountain composed wholly or in part of ejected material such as lava.
Down
- 1. a submarine mountain rising about the deep-see floor.
- 2. an imaginary line around the earth connecting the north pole and the south pole.
- 5. the average weather in a particular place over a long period of time.
- 6. the molten rock flowing from a volcano or fissure in the earth.
- 7. an imaginary line around the earth 23- ½ degrees south of the equator.
- 8. the amount of moisture or water vapor in the atmosphere. The relative humidity is the ratio between the amount of water vapor present in the air and the maximum the air could contain at the same temperature.
- 10. one of the numerous strike-slid faults between segments of mid-oceanic ridges and rises along which lateral movement of crustal plates occurs.
- 13. older volcanic islands that have at one time been covered with water, allowing the island to be covered with coral reefs, and then raised up, exposing the reef.
- 14. an island that has the geologic characteristics of a continental land mass.
- 17. a volcanic island that has not been covered with coral and raised up.
- 19. one of the series of vast segments of thin, mobile blocks that make up the crust of the earth according to the theory of plate tectonics.
- 22. Somewhat salty to the taste.
- 24. any position of a circle.
- 25. the molten region of the earth immediately under the crust.
- 31. a circular reef with a lagoon in the center
- 32. a shaking or trembling of the earth that is volcanic or tectonic in origin.
- 34. the outer part of the earth composed essentially of crystalline rocks.
- 36. a skilled workman or craftsman.
- 37. one half of the earth.
- 41. the process of wearing away at materials by wind or rain.