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5 Written questions

5 Matching questions

  1. Milankovitch cycles
  2. insolation
  3. precession
  4. greenhouse effect
  5. climate
  1. a the wobble of the earth on its axis (11,000 year period to move between extremes)
  2. b the average surface condition over some period of time
  3. c orbital parameters affecting how much energy earth receives from the sun
  4. d solar radiation from the sun
  5. e radiation reflected from the surface is absorbed by some gases and re-radiated as heat, some of which stays in the atmosphere and warms the surface

5 Multiple choice questions

  1. the conveyor belt of heat and salt transport in oceans
  2. the farthest orbital point from the sun (152 million km)
  3. ... affect global weather patterns and are caused by changes in wind strength in the equatorial Pacific Ocean
  4. the frozen part of the earth's surface, including glaciers, polar ice caps, continental ice sheets, etc.
  5. air pressure 'flips' between Australia (W) and Tahiti (E)

5 True/False questions

  1. alkenonesreflectivity of earth's surface (mostly reflected by clouds)


  2. eccentricity(tilt) earth's orientation relative to the solar plane fluctuations (between 21.5 and 24.5 degrees over 41,000 years)


  3. perihelionthe farthest orbital point from the sun (152 million km)


  4. albedolong carbon-chain molecules made by some plankton


  5. positive feedbackWhen A increases, B increases, which causes A to increase even more.Ex. temp increase, ice melts, albedo decrease, temp increase