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Earth Science

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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. A sharp bend & loop or turn in a stream's course. When abandoned & it is called a meander scar or an oxbow.






2. Pertaining to clastic material formed by volcanic explosion or aerial expulsion from a volcanic vent.






3. The transformation of a soil from a solid to a liquid state as the result of increased pore pressure.






4. Imaginary lines on a map or globe that measure distance in degrees north or south of the equator. Latitude lines extend horizontally & from east to west on a globe.






5. Till deposited from main body of glacier during ablation.






6. Extending across a continent.






7. The study of earthquakes & and of the structure of the Earth by both natural and artificially generated seismic waves.






8. The speed at which water flows.






9. An eruption of lava that takes place from a fracture & usually without producing a cone.






10. A flat & dry plain covered with short grass.






11. Deposition of fine mineral particles (silt) on the beds of streams or lakes.






12. Sediment formed by chemical precipitation from water. Example: halite precipitated as the result of the evaporation of sea water.






13. Deposits of wind-borne dust.






14. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.






15. The rock beneath the soil.






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






17. The condition of equilibrium & comparable to floating & of units of the lithosphere above the asthenosphere.






18. The prediction that climate will warm as a result of the addition to the atmosphere of humanly produced greenhouse gases.






19. To preserve & or to avoid wasteful use.






20. Scratches & or small channels & gouged by glacier action. Occur on boulders & pebbles & and bedrock. Striations along bedrock indicate direction of ice movement.






21. Destruction of the ozone layer caused by the release of CFC's (chlorofluorocarbons) into the atmosphere which react chemically with ozone and break it down into different gases.






22. The galaxy where Earth is located.






23. The resistance of a mineral to scratching & as measured by the Mohs scale.






24. The surface between the zone of saturation and the zone of aeration.






25. Long narrow beaches separated in many places from the mainland by lagoons.






26. Containing moisture.






27. Living on land.






28. Either the northern or southern half of the Earth as divided by the equator & or the eastern or western half as divided by a meridian.






29. Iron & aluminum & magnesium & manganese & and titanium. Ores of the abundant metals only need to be 3 - 5 times as metal-rich as average rock.






30. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .






31. A rock changed from its original form and/or composition by heat & pressure &shearing stress & or chemically active fluids & or some combination of them.






32. Materials that are found in nature that are useful or necessary for people to live.






33. A large ridge or mound-like structure within a body of water that is built by calcareous organisms such as corals & red algae & and bivalves.






34. The internal resistance to flow in a liquid.






35. The vertical distance between the crest and adjacent trough of a wave.






36. Water beneath the Earth's surface.






37. An ingredient in a food or other substance that nourishes or promotes growth.






38. Woodland that usually gets at least 100 inches of rain each year.






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






40. The region of a shore that is covered at high tide and exposed at low tide.






41. Named after the Roman god of the sea. It is the eighth planet from the Sun.






42. The tendency of a moving object to continue in a straight line or a stationary object to remain in place.






43. A waste material that contaminates air & water & or soil.






44. The concept of a sequence of events involving the formation & alteration & destruction and reformation of rocks as a result of geologic processes.






45. The two days of the year on which neither hemisphere is tilted toward or away from the sun.






46. A hydrocarbon (coal or petroleum) that can be extracted from the Earth for use as a fuel. Fossil fuels are non-renewable energy sources.






47. The top of a wave.






48. 1. A low & bowl-shaped area of land surrounded by higher lands. 2. any large depression in which sediments are deposited.






49. Reduction of pore space between individual particles as the result of overlying sediments or of tectonic movements.






50. A glaciated valley now flooded by the sea.






Can you answer 50 questions in 15 minutes?



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