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






2. Precipitation - Canopy interception - Snowmelt - Runoff - Percolation - Subsurface flow- Evaporation - Sublimation - Condensation






3. Oceans cover __ of the earth's surface






4. Volcanoes can be caused by '____________'; these so - called hotspots - as in Hawaii - can occur far from plate boundaries






5. Tides may be...






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






7. 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






8. 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






9. Maritime polar (wet - cold air)






10. 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






11. 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






12. 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






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






14. 186000 miles/second






15. Occur twice a year - when the tilt of the earth's axis is oriented neither from nor to the sun - causing the sun to be located vertically above a point on the equator - The name derived from the Latin aequus (equal) and nox (night) - because at the e






16. Almost all familiar weather phenomena occur in the __________ (the lower part of the atmosphere)






17. Somewhat cooler disturbances in the photosphere






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






19. Takes approx. seven and a half earth months to revolve around the sun - Takes approx. eight earth months to rotate on its axis - a day on ________ is longer than a year






20. 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






21. Take up about 1/3 of the earth's land surface - many are formed by rain shadows - Usually have a large diurnal (day) and seasonal temperature range - with high daytime temperatures






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






23. The precipitation that is intercepted by plant foliage and eventually evaporates back to the atmosphere rather than falling to the ground






24. Featherlike clouds that indicate fair weather






25. A region of the earth that has uniform standard time - usually referred to as the local time - divided into standard and daylight saving (or summer)






26. The movement of rainwater as it filters through soil and rocks into the ground - becoming groundwater






27. Maritime tropical (wet - warm air)






28. Faulting and folding






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






30. Smooth layers of low clouds that indicate a chance of drizzle or snow






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






32. 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






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

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34. Seasons are marked by changes in the amount of sunlight - which in turn often cause cycles of dormancy in plants and hibernation in animals - These effects vary with latitude and with proximity to bodies of water






35. Younger beds were originally deposited above older beds






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






37. The earth is believed to be about ___ billion years old






38. Sometimes called minor planets or planetoids - Bodies






39. Used to arrange strata in a standard order - Used to measure the amount of radioactive decay in minerals and calculate the time at which the rock formed






40. Forms over the Tropics and is warm






41. 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






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






43. Comprises one global - interconnected body of salt water often (though generally recognized as several separate oceans) - A continuous body of water with relatively free interchange among its parts






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






45. Volcanoes are also found in __________ - where the denser oceanic plates are forced under continental plates; this adds massive volumes of water to the mantle - allowing magma to melt more readily and rise to the surface to form volcanoes






46. 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






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






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






49. Center: 3000

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50. Human civilization has lasted only _____ years