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






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






3. 1. Breach in a natural levee . 2. Deep crevice or open fracture in glacier ice.






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






5. A flood that rises and falls very rapidly.






6. The distance light travels through a vacuum in one year.






7. The symbol used on a map to indicate directions & both cardinal and ordinal.






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






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






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






11. 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.






12. A dense & hot (sometimes incandescent) cloud of volcanic ash and gas produced in a Pelean eruption.






13. A vent in the surface of the Earth & from which lava & ash & and gases erupt.






14. Formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock.






15. Swamp that forms in the low lying flood plain behind a levee.






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






17. The great circle on the Earth's surface passing through The North and South Poles & which is considered 0 degrees longitude. The prime meridian passes through Greenwich & England & and is used as a reference point for measuring longitude east and w






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






19. A low & nearly flat accumulation of sediment deposited at the mouth of a river or stream & commonly triangular or fan-shaped.






20. Saturn is named after the Roman god of the harvest. It is the sixth planet from the Sun.






21. He area from which a stream and its tributaries receives its water.






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






23. An era of time during the Phanerozoic eon lasting from 245 million years ago to 66.4 million ago.






24. A seismic body wave that involves particle motion from side to side & perpendicular to the direction of wave propagation. S-waves are slower than P-waves and cannot travel through a liquid.






25. To preserve & or to avoid wasteful use.






26. The reserves of a valuable mineral commodity plus all other mineral deposits that may eventually become available & even those that are presumed to exist but have not yet been discovered and those that are not economically or technologically exploita






27. The process by which building stone & usually in blocks or sheets & is extracted from the Earth. radiation -- (Electromagnetic radiation) -- energy that travels through space in the form of waves without the intervention of matter & as in the transp






28. Fossils formed when water containing minerals leaks into a mold. The minerals harden to form a copy of the original structure or organism.






29. Deserts in zones of descending air between 25 degrees and 30 degrees north and south latitude.






30. Ratio between weight of given volume of material and weight of equal volume of pure water.






31. A volcanic mountain on the seafloor. If flat-topped & it is a guyot.






32. Open pit mining & typically for coal.






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






34. The effect of water and carbon dioxide absorbing outgoing infrared radiation & raising a system's temperature. The term is generally used with reference to the Earth's temperature & although it can also be applied to other systems & such as greenhous






35. The zone below the zone of aeration in which all pore spaces are filled with water.






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






37. The principle that states the processes operating to change the Earth in the present also operated in the past.






38. 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.






39. A sedimentary rock composed of combustible matter derived from the partial decomposition of plant material.






40. A steep or vertical cliff & either above or below sea level.






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






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






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






44. An area where fresh water comes into contact with seawater & usually in a partly enclosed coastal body of water; a mix of fresh and salt water where the current of a stream meets the tides.






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






46. The chronological sequence of units of Earth time.






47. 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.






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






49. The internal resistance to flow in a liquid.






50. A river that is able to maintain its flow through a desert because of water received from outside the desert.