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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. 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






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






3. 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






4. 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






5. 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






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






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






8. Runoff and groundwater are stored as ________ in lakes






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






10. Test the item against materials of known hardness; for example - use your fingernail or the graphite in a pencil to attempt to scratch the items. This process should result in assigning a relative hardness to the unknown items.






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






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






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






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






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






16. Continental tropical (dry - warm air)






17. Form when dissolved mineral solutions crystalize out of lakes and oceans






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






19. Human civilization has lasted only _____ years






20. Occur when two plates push together - Such faults are strong and relatively deep - Where the strongest earthquakes occur Example: mountain building in the Himalayas and the Andes






21. 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...






22. Deviates by an angle of approximately 23.5 degrees - Thus - at any given time during summer or winter - one part of the planet is more directly exposed to the rays of the sun - This exposure alternates as the earth revolves in its orbit






23. The movement (carrying away or displacement) of solids (sediment - soil - rock - and other particles) - usually by the agents of currents such as wind - water - or ice by downward or down - slope movement in response to gravity






24. 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






25. 186000 miles/second






26. Tides may be...






27. When the moon is at first quarter or third quarter - the sun - earth and moon form a 90- degree (right) angle with the earth at the vertex - The combined effect of this alignment of the sun - earth - and moon results in tidal ranges on the earth - Wh






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






29. 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






30. Affected by factors such as weathering and impurities






31. Generally forms deep in the mantle as one type of rock changes into another - Due to intense pressure - can show signs of bending and distortion - Examples: schist - marble - gneiss - and slate






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






33. 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






34. Bbreaking along flat surfaces






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






36. 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






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






38. 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






39. Piled in waves and indicate rain or snow






40. Erosion in many places is increased by human land use - Poor land - use practices include deforestation - overgrazing - unmanaged construction activity - and road building






41. 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...






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






43. Some infiltration stays close to the land surface and can seep back into surface - water bodies (and the ocean) as...






44. 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






45. Forms over the Tropics and is warm






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






47. 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






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






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






50. The result of the buildup of once - living things







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Can you answer 50 questions in 15 minutes?


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