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. Weather occurs primarily due to density (temperature and moisture) differences between one location and another - These differences can occur due to the angle of the sun at any particular spot - which varies by latitude from the tropics






2. Human civilization has lasted only _____ years






3. The sun is not at the center of the disk - but out toward the perimeter - and is revolving around the ________






4. Under solar conditions - gases are undergoing _____ to heavier elements with the increase of prodigious quantities of energy






5. Pulls the planets toward the sun - while their inertia keeps them moving forward in an elliptical orbit around the sun

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6. Continental polar (dry - cold air)






7. Classified as warm - water or cold - water currents






8. An opening - or rupture - in a planet's surface or crust - which allows hot molten rock - ash - and gases to escape from below the surface - Volcanic activity involving the extrusion of rock tends to form mountains or features like mountains over a p






9. Divided into two main types: large - low- density gas giants and smaller - rocky terrestrials - There are at least 341 identified _______ - 8 of which are in the Solar System






10. The breakdown of rocks - soils and minerals through atmospheric chemicals or biologically produced chemicals (also known as biological weathering)






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






12. Common: wind - clouds - rain - snow - fog - dust storms - Less common: natural disasters such as tornadoes - hurricanes - and ice storms






13. Affected by factors such as weathering and impurities






14. Ancient astronomers found that eclipses occurred periodically and learned to predict them accurately - Lunar and solar






15. Runoff and groundwater are stored as ________ in lakes






16. Spiral - elliptical - and irregular form are speckled throughout the visible universe - Largest telescope has detected galaxies to its limit of several billion light - years






17. Due to a combination of differential heating and geometry - hen the sun rises - it is the tops of the mountain peaks which receive first light - and as the day progresses - the mountain slopes take on a greater heat load than the valleys - This resul






18. The source of energy for evaporation is primarily through ___________






19. The difference between levels of ocean water at high and low tides






20. Occur when two plates pull away from each other - Such faults are generally weak and shallow Example: the Mid - Atlantic Range in the Atlantic Ocean






21. Water transpired from plants and evaporated from the soil






22. A major determiner of coastal climate






23. The degrees north or south of the equator






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






25. The rising of the earth's ocean surface caused by the tidal forces of the moon and the sun acting on the oceans






26. Igneous rock that cools beneath the earth's surface - Examples: plutons - dikes - and batholiths






27. Forms over the Tropics and is warm






28. Different visual appearance; when discovered - comets show a perceptible coma while asteroids do not






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






30. Comprised of the crust and the rigid uppermost part of the mantle - broken up into tectonic plates (7 major and many minor) - ride on the asthenosphere






31. The tendency of a moving object to stay in a straight line or a stationary object to remain in place - Without _______ - a planet would be pulled into the sun






32. - The materials left over after the rock breaks down combine with organic material - The mineral content is determined by the parent material; thus - a soil derived from a single rock type can often be deficient in one or more minerals for good ferti






33. 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






34. Gas giants Jupiter - Saturn - Uranus and Neptune have diameters far larger than Earth's and have far greater masses






35. Further caused by the elliptical orbit of the earth - Earth reaches perihelion (the point in its orbit closest to the sun) in January - and it reaches aphelion (farthest point from the sun) in July - Also depend on factors such as proximity to oceans






36. At any given time - regardless of season - the Northern and Southern Hemispheres experience...






37. 186000 miles/second






38. 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






39. Temperature - pressure - and composition






40. Mountains blocking the path of precipitation to the desert






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






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






43. 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






44. Distance to closest stars can be calculated by measuring the _________ - a slight shift in apparent position against the background of more distant stars as the earth travels around the sun






45. The tidal force produced by the sun is ____ as large as that produced by the moon






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






47. Loose collections of ice - dust - and small rocky particles - measuring a few kilometers or tens of kilometers across






48. Occur when two plates slip past each other - Such faults are generally moderate and are relatively shallow Example: The San Andreas Fault






49. How much matter is in the object






50. Around a new or full moon - when the sun - moon - and the earth form a line - the tidal forces due to the sun reinforce those of the moon - The tide's range is at a maximum and is called a spring tide (spring as in 'to jump/leap -' not the season)