Science Final

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Across
  1. 2. someone who believes humans are merely passing through the earth & have no claim to it
  2. 4. dark, oily, liquid fossil fuel that is primarily hydrocarbons
  3. 5. natural ridges formed when water flow causes sediments to drop along the edge of a river's channel
  4. 7. the circular paths of the ocean's surface water
  5. 8. the time for the moon to orbit the earth and go through all its phases
  6. 9. the temperature at which cooling air becomes saturated
  7. 10. a device that safely starts and controls a fission chain reaction
  8. 13. a star suddenly flaring up to many times it's brightness
  9. 15. an oceanographic vessel operated without outside guidance
  10. 16. a system that removes gases and particles from industrial exhaust
Down
  1. 1. a convections cell between 30 and 60 latitude
  2. 3. dramatically increases the resolution of a radio telescope
  3. 6. a group of biogeochemical cycles that recycle nutrients found in soil and rock
  4. 11. the 88 zones of the celestial sphere
  5. 12. Russian spacecraft, primary way to get to the ISS
  6. 14. long-living halogen compounds, supposedly the primary cause of ozone depletion