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. Lava extruded beneath water characterized by pillow shapes.






2. The top of a wave.






3. A vent on the seafloor from which hydrothermal fluids are emitted. Upon mixing with seawater and cooling & the fluids precipitate a cloud of fine-grained sulfide minerals that resembles a cloud of black smoke.






4. A vent on the seafloor from which hydrothermal fluids are emitted. Upon mixing with seawater and cooling & the fluids precipitate a cloud of fine-grained sulfide minerals that resembles a cloud of black smoke.






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






6. Any form of water & such as rain & sleet & or snow & that falls to Earth's surface.






7. A term applied to large areas of basaltic lava presumably extruded from fissures.






8. Water beneath the Earth's surface.






9. The zones of seismic activity long which plates are in contact.






10. The environment where a particular plant or animal is normally found.






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






12. All unconsolidated materials above bedrock. Natural earthy materials on the Earth's surface & in places modified or even made by human activity & containing living matter & and supporting or capable of supporting plants out of doors.






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






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






15. Rock formed from the accumulation of sediment & Which may consist of fragments and mineral grains of varying sizes from pre-existing rocks & remains or products of animals and plants & the products of chemical action & or mixtures of these.






16. A tool for measuring the relative clarity of water.






17. The outermost part of the core. It is liquid & about 1 &700 km thick & and separated from the inner & solid core by a transition zone about 565 km thick.






18. 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.






19. A waterway from open ocean into a lagoon.






20. A study designed to collect critical data to be used for comparison or as a control in a later study.






21. A delta formed at both sides of a tidal inlet.






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






23. Mercury is named after the Roman messenger of the gods. It is the closest to the Sun.






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






25. The explosion of a dying giant or supergiant star.






26. A collection of maps.






27. A vertical conduit through the Earth's crust below a volcano & through Which magma has passed.






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






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






30. 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.






31. The physical & chemical & and biological processes by which rock at or near the Earth's surface is broken down into smaller pieces.






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






33. The process by which an unconsolidated deposit of sediments is converted in to solid rock.






34. The theory of Plate Tectonics states that the Earth's crust is fragmented into a dozen or more large and small pieces floating on a semi-molten mantle.






35. A reverse fault on which the dip angle of the fault plane is 15 degrees or less.






36. 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.






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






38. The galaxy where Earth is located.






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






40. To preserve & or to avoid wasteful use.






41. A measure of the strength of an earthquake based on the amount of movement recorded by a seismograph . compare Richter scale.






42. A zone in the Earth between 400 and 670 km below the surface separating the upper mantle from the lower mantle.






43. A narrow & steep-walled depression in the ocean floor & much deeper than the adjacent ocean and associated with a subduction zone.






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






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






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






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






48. Applies to igneous rocks that cool on the surface of the Earth & including beneath water; typically with small crystals due to the rapidity of cooling. Synonym of extrusive. Antonym of plutonic.






49. 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.






50. Containing moisture.