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. Forms south of the Arctic and is cold






2. The resulting dust layer would act as a shield - blocking out much of the sun's rays - This would result in lower global temperatures and a general _____ of the earth






3. The cold - water current that flows north to south off the _____________ keeps the West Coast fairly cool during the summer - Cold - water currents create cooler temperatures in areas that would otherwise be much warmer






4. 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






5. Sun heats water in the oceans - Water evaporates as vapor into the air - Ice and snow can sublimate directly into water vapor...- Over time - the water reenters the ocean - where the water cycle started






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






7. 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






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






9. Defined by geometrically subdividing the earth's spheroid into 24 lunes (wedge - shaped sections) - bordered by meridians - each 15






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






11. 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






12. Temperature - pressure - and composition






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

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14. One tidal cycle per day






15. (in descending order of size) the Pacific Ocean - the Atlantic Ocean - the Indian Ocean - the Southern Ocean and the Arctic Ocean






16. Affected by factors such as weathering and impurities






17. Forms over the Tropics and is warm






18. A warm - water current that carries warm water from the Tropics to the Arctic regions of the North Atlantic Ocean - This accounts for higher temperatures and higher humidity on the Eastern Seaboard during the summer






19. A continuous drill would find gas - oil - and water in that order - The three substances occur in their order of density - with the lightest substance on top and the heaviest on the bottom






20. Human civilization has lasted only _____ years






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






22. The breakdown of rocks - soils and minerals through direct contact with atmospheric conditions such as heat - water - ice - and pressure






23. Mountains blocking the path of precipitation to the desert






24. A small Solar System body that orbits the Sun - When close enough to the sun - exhibits a visible coma (atmosphere) or a tail - both primarily from the effects of solar radiation upon the comet's nucleus - Have a variety of different orbital periods






25. The state change where a solid (ice or snow) changes directly to a gas (water vapor)






26. Tides may be...






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






28. 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






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






30. A land form that stretches above the surrounding land in a limited area - with a peak - Usually produced by the movement of lithospheric plates






31. Two types of mountains are formed - depending on how the rock reacts to the tectonic forces






32. Hotspot volcanoes are also found elsewhere in the Solar System - especially on...






33. This upslope wind is called a...






34. 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






35. The science that describes and interprets the earth Fields: - Geomorphology (land forms) - Petrology (rocks) - Stratigraphy (layered rocks) - Paleontology (fossils)






36. The science of the atmosphere and weather






37. Runoff and groundwater are stored as ________ in lakes






38. 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






39. The degrees north or south of the equator






40. The variety of ways by which water moves across the land - This includes both surface runoff and channel runoff - As it flows - the water may percolate into the ground - evaporate into the air - become stored in lakes or reservoirs - or be extracted






41. Not all runoff flows into rivers; much of it infiltrates into the ground through...






42. 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






43. Can influence climate by sending tremendous volumes of dust - ash - and smoke into the atmosphere






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






45. Improved land - use practices can limit erosion by using techniques such as...






46. Two feldspars (orthoclase and plagioclase) - quartz - olivine - and augite - These five minerals are silicates - built from interlocking silicon and oxygen atoms






47. The evaporation of these oceans is how we get most of our __________ - and their temperature determines our climate and wind patterns






48. Oceans cover __ of the earth's surface






49. Natural chemical compounds that are the crystals that make up rocks - Each has a specific composition or narrow range of composition






50. Occurs at the instant when the sun's position in the sky is at its greatest angular distance on the other side of the equatorial plane from the observer's hemisphere - Depending on the shift of the calendar - the winter solstice occurs some time betw