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of 81 available terms
(1 exact duplicate found)

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5 Written questions

5 Matching questions

  1. ozone
  2. Big Bang Theory
  3. El Nino
  4. gravity
  5. Elliptical galaxy
  1. a a form of oxygen that has three oxygen atoms in each molecule instead of two. protects us from dangerous ultraviolet radiation from the sun
  2. b the force of attraction between all masses in the universe
  3. c the name given to the periodic warming of the ocean that occurs in the central and eastern Pacific
  4. d the theory that proposes that the universe originated as a single mass, which subsequently exploded
  5. e a galaxy shaped like a round or flattened ball, generally containing only old stars

5 Multiple choice questions

  1. the state of separate elements joining or coming together
  2. Air circulation at surface creates wind patterns (Earth's shape and rotation causes variable latitudinal wind deflections.)
  3. Amount of light a star actually gives off
  4. having the earth as the center
  5. movement of air from land to sea at night, created when cooler, denser air from the land forces up warmer air over the sea

5 True/False questions

  1. sunspotsCreation of energy by joining the nuclei of two hydrogen atoms to form helium.

          

  2. frequencythe number of complete wavelengths that pass a point in a given time

          

  3. fissionCreation of energy by joining the nuclei of two hydrogen atoms to form helium.

          

  4. reflectionn. The throwing off or back of light, heat, sound, or any form of energy that travels in waves.

          

  5. sea breezemovement of air from land to sea at night, created when cooler, denser air from the land forces up warmer air over the sea

          

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