Test your basic knowledge |

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 mound or ridge of sediment deposited by a glacier.






2. A narrow strip of land that has water on either side and connects two larger bodies of water.






3. A coral reef separated from the mainland by a lagoon.






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






5. 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.






6. Distance over which wave-forming winds blow.






7. 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.






8. The amount of material a stream carries in suspension.






9. Occurs at the intersection of the water table with the ground surface.






10. 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.






11. The chronological sequence of units of Earth time.






12. Glacial deposits laid down directly by glaciers or laid down in lakes & ocean & or streams as result of glacial activity.






13. The amount of dissolved salt in water.






14. The remains of an extremely massive star pulled into a small volume by the force of gravity.






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






16. The top of a wave.






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






18. Living parts of the environment that can renew or replace themselves.






19. The persistence of wind-formed waves after wind ceases.






20. Heat transport by direct transfer of energy from one particle to another & without moving the particle to a new location.






21. An isolated & steep-sided & rocky mass or island just offshore from a rocky headland & usually on a shore platform.






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






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






24. An instrument that detects & magnifies & and records vibrations of the Earth & especially earthquakes.






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






26. The first scientist to make systematic use of the telescope in looking at the heavens.






27. An abandoned meander .






28. The line formed by the intersection of the axial plane of a fold with a bedding plane & marking where the bed shows its maximum curvature.






29. The amount of dissolved salt in water.






30. A thick layer of soil.






31. A famous scientist who proposed that the Sun was the center of the solar system not the Earth. (Heliocentrism)






32. Objects revolving around the sun that are too small and too numerous to be considered planets.






33. The perpendicular or very steep descent of a stream.






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






35. A person who makes maps.






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






37. In the geologic time scale a unit of time less than an era and greater than an epoch. Example: The Tertiary period was the earliest period in the Cenozoic era and included & among others & the Eocene epoch.






38. A general term for a relatively hard layer of soil at or just below the ground surface & cemented by silica & iron oxide & calcium carbonate & or organic matter.






39. Any object that revolves around another object in space.






40. A minor tremor that precedes an earthquake. An increase in seismicity may signal that a major release of strain energy is about to occur.






41. An atmospheric shield providing the Earth with protection from ultra-violet rays which can cause sun burn & skin cancer and the destruction of the delicate plant life which supports the planet's food chain.






42. The process of mountain building.






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. Shapes & like mountains or hills that make up the Earth's surface.






45. A disease-causing organism or entity & such as a bacterium or virus.






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






47. Lava extruded beneath water characterized by pillow shapes.






48. A process by which salts accumulate in soil.






49. 1. A mass of sand & gravel & or alluvium deposited on the bed of a stream & sea & or lake & or at the mouth of a stream 2. A unit of pressure & approximately equal to atmospheric pressure at sea level.






50. A type of disintegration in which jointed rock is forced apart by the expansion of water as it freezes in fractures.