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 system involving continuous interaction of the solid Earth & the atmosphere & the oceans and living things.






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






3. 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.






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






5. A thickened elevated region of Earth's crust that is mainly (but not entirely) above sea level.






6. The prediction that climate will warm as a result of the addition to the atmosphere of humanly produced greenhouse gases.






7. 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.






8. The height of a place above sea level.






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






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






11. Highly mafic igneous volcanic rock & typically fine-grained and dark in color; rough volcanic equivalent of gabbro. Basalt is the most abundant volcanic rock in the Earth's crust.






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






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






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






15. The line separating land and water.






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






17. A person who makes maps.






18. 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.






19. The formation & advance and retreat of glaciers and the results of these activities.






20. A natural open space underground & large enough for a person to enter. Most commonly occur by the dissolution of soluble rocks & generally limestone.






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






22. A post of dripstone growing up from a cave floor.






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






24. 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.






25. The current geologic era & which began 66.4 million years ago and continues to the present.






26. A thick layer of soil.






27. Forms along a coast as wave erosion cuts through a headland.






28. 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.






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






30. 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.






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






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






33. The southern portion of the late Paleozoic supercontinent known as Pangea. It means & literally 'Land of the Gonds' (a people of the Indian subcontinent).The supercontinent existed from Cambrian to Jurassic time & mainly composed of South America &






34. A guide to reading a map that typically contains distance scales & arrows indicating direction & and/or explanations of symbols used.






35. (Greek-Aphrodite)named after the Roman goddess of love. It is the planet closest in size to Earth and the second planted from the Sun.






36. The process of one plate descending beneath another.






37. A supercontinent that existed from the Jurassic to Early Tertiary after splitting from Pangea; composed of Laurentia & Baltica & Avalonia & (modern North America & Scandinavia & Greenland & Western and Central Europe); eventually fragmented into Eur






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






39. A wall built out from the shore & usually at perpendicular to it to trap sand carried by longshore currents .






40. Similar to a groin but built to keep sand out of a harbor entrance.






41. Highly mafic igneous volcanic rock & typically fine-grained and dark in color; rough volcanic equivalent of gabbro. Basalt is the most abundant volcanic rock in the Earth's crust.






42. Sediments produced directly by the life processes of plants or animals.






43. 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.






44. The chronological sequence of units of Earth time.






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






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






47. In a stream & the volume of water passing through a channel in a given time.






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






49. The method of locating an epicenter by determining how far it lies from three widely separated seismographs.






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