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5 Written questions

5 Matching questions

  1. UV radiation
  2. barometric pressure
  3. wave length
  4. HR Diagram
  5. convex lens
  1. a a lens that is thicker in the middle than at the edges and bends light rays towards one another
  2. b damaging wave of light emitted by the sun - eads to cataracts in eyes, interferes with photosynthesis, kills phytoplankton, wakens the immune system
  3. c a graph that shows the relationship between the absolute magnitude and temperature of stars, a plot of the absolute magnitude of luminosity of stars versus their surfce temperatures or spectral classes
  4. d the length from one crest to another
  5. e Pressure caused by the weight of the atmosphere. It decreases with increasing altitude.

5 Multiple choice questions

  1. areas of gas on the sun's surface that are cooler than the gases around them
  2. the upward movement of warm air and the downward movement of cool air
  3. a form of energy that can move through the vacuum of space
  4. a star with low mass after being a protostar; it has a low mass instead of high mass
  5. when a star is in Main sequence and turns into a high mass star rather then low mass

5 True/False questions

  1. ionosphereThe uppermost layer of the atmosphere, in which temperature increases as altitude increases, The outer layer of the thermosphere, extending outward into space.


  2. supernovaPolish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)


  3. kinetic energyEnergy that is stored and held in readiness


  4. CopernicusPolish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)


  5. reflectionthe transfer of thermal energy by the circulation or movement of a liquid or gas