End of first semester study guide

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Across
  1. 7. takes rock to the inside of Earth
  2. 8. a vast underwater mountain chain is a mid ocean
  3. 9. the process of liquid changing to gas
  4. 11. atmosphere nearest to Earth's surface
  5. 13. boundary between cold and warm air masses
Down
  1. 1. the continents move to new location is what drift
  2. 2. highest concentration of ozone
  3. 3. after testing hypothesis, next step is record and
  4. 4. used to measure temperature
  5. 5. most of the freshwater on Earth
  6. 6. plates move apart at what boundary
  7. 10. where the energy release of an earthquake occurs
  8. 12. first to reach a seismograph after an earthquake