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. Heat transport by moving particles & and the thermal energy that they carry & to a new location.






2. An aggregate of one or more minerals in varying proportions.






3. Surficial mining & in which the valuable rock is exposed by removal of overlying rock or soil.






4. The rock beneath the soil.






5. An astronomical instrument for measuring angles & primarily altitude of celestial bodies to determine latitude.






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






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






8. Turbulent stream water flow down a steep gradient & but not as steep as in a waterfall.






9. Flat land covered with tall grass and wildflowers.






10. A substance that produces positively charged hydrogen ions (H+) when dissolved in water.






11. Gases that can be dissociated by solar radiation & which releases chlorine & which in turn destroys ozone.

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12. The rise and fall of sea level caused by the gravitational pull of the Sun and Moon on the Earth.






13. A substance that produces negatively charged hydroxide ions ( OH- ) in water and reacts with acids to form salts.






14. Heat extracted from the Earth for use as an power source.






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






16. The arrangement of rock units in the proper chronological order from youngest to oldest.






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






18. A floating ice sheet extending across water from a land-based glacier.






19. The science that deals with the study of the planet Earth--the materials of which it is made & the processes that act to change these materials from one form to another & and the history recorded by these materials; the forces acting to deform the ou






20. A measure of the size of an earthquake in terms of the damage it causes.






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






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






23. An earthquake that follows and has its epicenter near a larger earthquake.






24. A sea level change due to change in load on Earth's crust.






25. The straightening and/or deepening of a river channel.






26. A hot & gaseous & self-luminous celestial body & as the Sun.






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






28. A fracture or zone of fractures along the boundaries of tectonic plates where movement has taken place.






29. An instrument that merely indicates the occurrence of an earthquake.






30. A roughly circular reef with an occasional small & low & coral sand island surrounding a shallow lagoon.






31. The point on the Earth's surface that is directly above the focus of an earthquake.






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






33. The chronological sequence of units of Earth time.






34. A community of plants and/or animals and its physical environment & regarded as a unit.






35. A type of thermal spring which ejects water intermittently with considerable force.






36. The Earth's crust underlying the ocean basins which is formed at mid-oceanic ridges. It is typically 5 to 10 kilometers thick composed of basalt.






37. 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.






38. A collection of maps.






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






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






41. 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.






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






43. A narrow strip of land along the margin of the ocean extending inland for a variable distance from low water mark.






44. Jupiter is named after the Roman king of the gods. It is the fifth planet from the Sun.






45. A ridge of high water associated with a hurricane and which floods over the shore .






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






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






48. (Latin- Terra & Greek- Gaia) Earth is named after the ancient Germanic Goddess of the soil. It is the third planet from the Sun.






49. A small & dust-bearing whirlwind.






50. A worldwide change in sea level & such as caused by melting glaciers.