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. 1 hour of time






2. Temperature - pressure - and composition






3. 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






4. One tidal cycle per day






5. Characterized by unusually warm ocean temperatures in the same area - Atlanta tropical cyclone activity is generally enhanced during La Nina - Often follows the El Nino - especially when the latter is strong






6. The Pacific Ring of Fire has examples of volcanoes caused by ___________ coming together






7. The center of the sun may have a temperature of millions of degrees; the visible surface - the ______ - is about 6000






8. Composed of the fragments of other types of rocks - Cover 75 to 80% of the earth's land area - Often deposited in distinct parallel layers - Weather and erosion break down other rock types into sediments - Over time - the sediments become cemented an






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






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






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






12. 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






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






14. Both gravity and inertia work together to keep planets in orbit around the sun - Inertia makes a planet travel in a straight line






15. 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






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






17. Giant masses of solid rock that float upon the earth's mantle - These plates move in relation to one another at one of three types of plate boundaries...






18. Evaporation often implicitly includes ___________ from plants - although together they are specifically referred to as evapotranspiration






19. Characterized by unusually warm ocean temperatures in the eastern equatorial Pacific - warm current of nutrient - poor tropical water - heated by its eastward passage in the Equatorial Current - replaces the cold - nutrient - rich surface water of th






20. 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






21. Oceans cover __ of the earth's surface






22. - 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






23. Center: 3000

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24. Typically the tidal mouths of rivers and are often characterized by _____________ or silt carried in from terrestrial runoff - frequently from offshore






25. 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)






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






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






28. Form when magma or lava cools and solidifies - Depending on the rate of cooling - can contain visible crystals - while others can appear glassy






29. Officially defined as sustained sea surface temperature anomalies of magnitude greater than 0.5






30. Less than 1% of the earth; this relatively thin zone (5 to 25 miles) contains the only rocks we can study - even in the deepest mines or drill holes






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






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






33. The process of chemical or physical breakdown of earth rocks - soils - and their minerals






34. The sun and oceans can also affect the weather of land - If the sun heats ocean waters for a period of time - water can evaporate - Once evaporated into the air - the moisture can spread over nearby land - thus making it cooler

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35. Forms over the Tropics and is warm






36. Affected by factors such as weathering and impurities






37. Solar Atmosphere is divided into the inner chromosphere with explosive prominences and the outer corona - a glowing halo visible only during a total eclipse - Constantly emitting particles as a...






38. Bodies similar to the sun but immensely distant - Closest stars are 4 light - years away






39. The stress is particularly severe in _________ - which are characterized by volcanism - metamorphism - deformation - and uplift






40. Darkens the moon as the earth passes between it and the sun - casting a shadow on the moon - may be seen from anywhere the moon is visible - about half of the earth






41. 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






42. 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






43. Mountains blocking the path of precipitation to the desert






44. Occurs when the moon sets at sunset - Then the moon is between the earth and the sun - so we see only the dark half of the moon






45. Seas - gulfs - bays - and other names






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






47. Somewhat cooler disturbances in the photosphere






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






49. The runoff produced by melting snow






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