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Earth Science

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The region of a shore that is covered at high tide and exposed at low tide.






2. A protective wall built offshore and usually parallel to the shore.






3. The relationship between distances in the area being mapped and distances in the map itself.






4. A broad & mound-like mass of glacier ice that usually spreads radially outward from a central zone.






5. Water that flows across watersheds during and immediately after severe rainstorms. In populated areas & stormwater runoff is often water that cannot be handled by existing sewer systems. Stormwater runoff is the leading source of water pollution in t






6. The presence of layers in some rocks caused by parallel alignment of minerals.






7. Glacial drift composed of rock fragments that range from clay to boulder size and randomly arranged without bedding.






8. A comet that passed Earth in 1997 and won't return to the inner solar system until the year 4377.






9. The point on the Earth's surface directly above the focus of an earthquake.






10. The process of mountain building.






11. Igneous. Antonym of intrusive. Synonym of volcanic. Pertaining to igneous rocks or features formed from lava released on the Earth's surface.






12. A sedimentary rock made up of chemical sediments. Example: rock salt.






13. The portion of the continental margin that extends as a gently sloping surface from the shoreline seaward to a marked change in slope at the top of the continental slope . Seaward depth averages about 130 m.






14. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.






15. The accumulation of material in layers or beds.






16. The color of a mineral in its powdered form obtained from scraping a sample on a ceramic plate






17. A measure of acidity.






18. The sum of the processes that result in the wearing away or the progressive lowering of the Earth's surface by weathering & erosion & mass wasting & and transportation.






19. The peak flow of water that tops the banks of a stream channel.






20. No identifiable layers of minerals in a rock sample






21. The Sun with all the celestial bodies that revolve around it.






22. An area subject to dust storms & especially south central United States .






23. Ratio between weight of given volume of material and weight of equal volume of pure water.






24. The precipitation that runs directly off the surface to stream or body of standing water.






25. The direction & north (normal) or south (reversed) & that a magnetic compass needle points.






26. Imaginary lines on a map or globe that measure distance in degrees east or west of the prime meridian. Longitude lines extend vertically & from pole to pole on a globe.






27. A process of erosion in which wind carries off particles of dust and sand.






28. An accumulation of wind driven sand into a distinctive shape.






29. A large amount of gas and dust in space & spread out in an immense volume.






30. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.






31. The effect of water and carbon dioxide absorbing outgoing infrared radiation & raising a system's temperature. The term is generally used with reference to the Earth's temperature & although it can also be applied to other systems & such as greenhous






32. A coral reef attached directly to the mainland.






33. Mars is named after the Roman god of war. It is the fourth planet from the Sun.






34. A major drainage divide separating the drainage to one ocean from another.






35. Mountains & characterized by extensive folding and thrust faulting & that form at convergent plate boundaries on continents.






36. The layer of gases (air) & that surrounds a planet or moon.






37. A conical volcano formed by the accumulation of pyroclastic debris around a vent.






38. A landscape that develops from the action of ground water in areas of easily soluble rocks. It is usually characterized by caves & underground drainage and sinkholes.






39. Distance over which wave-forming winds blow.






40. A segment of an active fault zone that has not experienced a major earthquake during a time period when most other segments of the zone have. They are generally regarded as having a higher potential for future earthquakes.






41. A river that is able to maintain its flow through a desert because of water received from outside the desert.






42. The top of a wave.






43. A device containing a free-swinging magnetic needle that is attracted to Earth's magnetic North Pole. Used to determine direction of travel.






44. A building that contains one or more telescopes.






45. Forms along a coast as wave erosion cuts through a headland.






46. The area immediately below the ground surface within which pore spaces are partially filled with water and partially filled with air.






47. The formation & advance and retreat of glaciers and the results of these activities.






48. The area bordering a stream over which water spreads when the stream tops its channel banks.






49. An area of land that delivers runoff water & sediment & and dissolved substances to surface water bodies & such as rivers or lakes. All watersheds consist of boundaries & a basin and collection areas.






50. Any molten material that is extrusive or volcanic & or the rock that forms from a molten extrusive. Molten rock that flows at the Earth's surface.







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