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






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






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






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






5. A steep-sided rounded extrusion of highly viscous lava squeezed out from a volcano and forming a dome-shaped or bulbous mass above and around the volcanic vent. The structure generally develops inside a volcanic crater.






6. Temporary accumulations of sediments that collect between low and high water marks.






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






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






9. An instrument used to measure the speed of wind.






10. The breaking away of ice from the front of the glacier when it ends in a lake or an ocean. Produces icebergs.






11. A rock that has crystallized from a molten state.






12. The reflection of light on a given mineral's surface & classified by intensity and quality.






13. A large & basin-shaped volcanic depression & more or less circular in form. Typically steep-sided & found at the summit of a shield volcano.






14. A small & dust-bearing whirlwind.






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






16. A glaciated valley now flooded by the sea.






17. Elongated rises on the ocean floor where basalt periodically erupts & forming new oceanic crust.






18. 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






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






20. Living on land.






21. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.






22. The point on the Earth's surface where a magnetic needle points vertically downward (north magnetic pole) or vertically upward (south magnetic pole).






23. The speed at which water flows.






24. The portion of the continental margin that lies between the abyssal plain and the continental slope. The continental rise is underlain by crustal rocks of the ocean basin.






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






26. Deposits of wind-borne dust.






27. An imaginary circle around the earth that represents the halfway mark between the North and South Poles and establishes the boundary between the Northern and Southern Hemispheres.






28. The partial or complete blocking from view of one object by another.






29. The areas of & in & or constituting a city.






30. The very small particles of dirt & soot & and other pollutants that are present in the air.






31. The process of one plate descending beneath another.






32. That part of the continental margin that lies between the continental shelf and the continental rise. Slope relatively steep & 3o - 6o. The continental slope is underlain by crustal rocks of the continent.






33. A period of dryness & that when prolonged & causes damage to crops; a shortage of water.






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






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






36. Deposits of wind-borne dust.






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






38. Synonym of intrusive. Antonym of volcanic. Applies to igneous rocks formed beneath the surface of the Earth; typically with large crystals due to the slowness of cooling.






39. An imaginary circle around the earth that represents the halfway mark between the North and South Poles and establishes the boundary between the Northern and Southern Hemispheres.






40. The oldest eon in Earth history & extending from the origin of the Earth to about 3.9 billion years ago.






41. The dust-sized & sharp-edged & glassy particles resulting from an explosive volcanic eruption.






42. The processes (mechanical and chemical) responsible for the wearing away & loosening & and dissolving of materials of the Earth's crust.






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






44. 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.






45. That portion of the resources for a valuable mineral commodity that can be extracted from the Earth at a profit today.






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






47. A molecule composed of three atoms of oxygen and mostly found in the stratosphere. Though beneficial in the upper atmosphere & at ground level & ozone is called photochemical smog & and is a respiratory irritant and considered a pollutant.






48. A collection of maps.






49. An area in which a large number of windmills have been erected to generate electrical power.






50. The solid innermost part of the core with a diameter of a little over 1 &200 km.






Can you answer 50 questions in 15 minutes?



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