Test your basic knowledge |

CSET Earth

Subjects : cset, 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 huge ball of incandescent gases - Its mass is more than 300000 times that of the earth - Principal constituents are the lightest elements - hydrogen and helium






2. Thought to originate in the Kuiper Belt - or associated scattered discs - which lie beyond the orbit of Neptune






3. Volcanoes can also form where there is stretching and thinning of the...

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4. Method of using the present to interpret the past - Processes occurring today are observed carefully and their effects are measured - Then - geologists assume that similar effects in ancient rocks were caused by processes similar to those of the pres






5. Faulting and folding






6. An area of frequent earthquakes and volcanic eruptions associated with the plate boundaries surrounding the Pacific Ocean - In a 40000 km horseshoe shape - associated with a nearly continuous series of oceanic trenches - volcanic arcs - and volcanic






7. The transformation of water from liquid to gas phases as it moves from the ground or bodies of water into the overlying atmosphere






8. Center: 3000

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9. The process in which one type of rock changes into another






10. The degrees east or west of the prime meridian through Greenwich - England






11. After the moon has waxed through crescent - quarter - and gibbous phases - a ________ appears - At that time - the moon rises at sunset - and we see all of its illuminated side - Then the phase wanes gradually to another new moon






12. Seas - gulfs - bays - and other names






13. Maritime polar (wet - cold air)






14. The North Pole is in the Arctic Ocean - and thus its temperature extremes are buffered by the water - The result is that the South Pole is consistently _______ during the southern winter than the North Pole during the northern winter






15. Cause pressure differences - A hot surface heats the air above it and the air expands - lowering the air pressure and its density






16. Rocks are placed into groups according to how they form...






17. Rising air currents take the vapor up into the atmopshere where cooler temperatures cause it to condense into ____






18. A ______________ - such as the Mid - Atlantic Ridge - has examples of volcanoes caused by divergent tectonic plates pulling apart






19. The outermost part of the earth's interior is made up of two layers...






20. Huge systems of stars - Milky Way is estimated to have 100 billion stars arranged in a great disk






21. Nearest galaxy - about 20 million light - years away






22. The spectra of distant objects display a red shift - which is interpreted as meaning that they are rapidly receding from us - This apparent expansion of the universe has given rise to the big bang theory of cosmology - in which one primeval mass expl






23. Believed to originate at a much greater distance from the Sun - in a cloud (the Oort cloud) consisting of debris left over from the condensation of solar nebula - Comets are thrown from the outer planets or nearby stars - or as a result of collisions






24. (or summer time zones) include an offset (typically +1 hour) for daylight saving time






25. Some isolated mountains were produced by volcanoes - including many apparently ________ that reach a great height above the ocean floor






26. Mountains blocking the path of precipitation to the desert






27. Refers to the long - term weather patterns of a large geographical area and takes into account temperature - humidity - and precipitation






28. Largest zone of the planet (68%); crystalline silicates - rich in magnesium - calcium - and iron; very hot and mainly solid - but local melting to magma is the source of volcanic eruptions






29. 1 hour of time






30. Forms over land and is associated with dry air






31. Featherlike clouds that indicate fair weather






32. Some precipitation falls as ____ and can accumulate as ice caps and glaciers - which can store water for thousands of years






33. Oceans cover __ of the earth's surface






34. The lateral movement of the plates is typically at speeds of ___ mm annually






35. How much matter is in the object






36. The motive force behind land breezes and sea/lake breezes - also known as on - or off - shore winds - Land absorbs and radiates heat faster than water - but water releases heat over a longer period of time






37. Earth movements - The result of forces within the earth - where temperature and pressure differences lead to instability






38. The runoff produced by melting snow






39. The transformation of water vapor to liquid water droplets in the air - producing clouds and fog






40. There are approx. _____ days between each lunar cycle






41. Takes place when the moon passes between the earth and the sun - with the moon blocking the sunlight for about two minutes - A total ___________ may be seen only from a small zone on the earth






42. Occur along plate boundaries






43. The farther from the tropics you are positioned - the ________ the angle of the sun - This causes those locations to be cooler due to the indirect sunlight






44. The atmosphere is a __________ - and so small changes to one part of the system can grow to have large effects on the system as a whole - This makes it difficult to accurately predict weather more than a few days in advance






45. Can thaw and melt - and the ensuing water flows overland as snowmelt






46. On maps - the characteristics of an air mass are represented by two letters: The lowercase letter represents ________ - and the uppercase letter represents temperature






47. Large - scale movements of the earth's lithosphere - - The theory encompasses the older concepts of continental drift (first half of 20th century) and seafloor spreading (1960s)






48. Theory that the earth's continents were originally united as a supercontinent - Pangaea - Established by Alfred Wegener in the early 1900s






49. One tidal cycle per day






50. Sedimentary rocks containing large fragments of other rock material - e.g. Sandstone