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5 Written questions

5 Matching questions

  1. greenhouse effect
  2. Big Bang Theory
  3. convection
  4. transverse wave
  5. wave height
  1. a the vertical distance from the crest of a wave to the trough
  2. b a moving wave that consists of oscillations occurring perpendicular to the direction of energy transfer.
  3. c the transfer of thermal energy by the circulation or movement of a liquid or gas
  4. d process by which atmospheric gases trap heat close to Earth's surface and prevent it from escaping into space
  5. e the theory that proposes that the universe originated as a single mass, which subsequently exploded

5 Multiple choice questions

  1. layer of electrically charged particles in the thermosphere that absorbs AM radio waves during the day and reflects them back at night
  2. the state of separate elements joining or coming together
  3. A galaxy that goes not have the a regular shape.
  4. a lens that is thicker in the middle than at the edges and bends light rays towards one another
  5. Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)

5 True/False questions

  1. revolutionthe spinning of an object on its axis


  2. plasmahigh temperature physical state of matter in which atoms lose their electrons


  3. barometric pressurePressure caused by the weight of the atmosphere. It decreases with increasing altitude.


  4. radiant energyenergy that travels in waves (includes solar energy, light energy)


  5. Elliptical galaxyEnergy that is stored and held in readiness