Science Review

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Across
  1. 2. first to reach a seismograph
  2. 7. the energy release of an earthquake
  3. 10. The seven steps in the scientific method
  4. 13. Plates move apart
  5. 15. boundary of air between air masses
  6. 19. dioxide needed4 photosynthesis
  7. 21. A scientific law describes a
  8. 22. ways the plates move
Down
  1. 1. amount of water vapor in the air
  2. 3. highest concentration ofozone
  3. 4. evaporates from oceans and lakes and rises
  4. 5. distinguish atmospheric layer
  5. 6. liquid changing to a gas
  6. 8. Most of the freshwater on Earth
  7. 9. nearest to Earth's surface.
  8. 11. cloudy weather
  9. 12. Water freezes
  10. 14. A vast, underwater mountain chain
  11. 16. process that takes rock into the earth
  12. 17. the theory the continents are moving
  13. 18. When a scientist has tested her hypothesis, the next step in scientific inquiry is to
  14. 20. device used to measure temperature