Physical Science

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Across
  1. 1. front/a front along which a cold air mass thrust beneath a warmer air mass.
  2. 4. the location on the earth’s surface directly above the focus of an earthquake
  3. 8. a small earthquake often precedes a major earthquake originates
  4. 12. a frictions of total radiation that is reflected back by a surface
  5. 13. point
  6. 14. transfer heat from one object to the next pot on stove
  7. 15. /the 2890 kilometer thick layer of earth located below the crust
  8. 17. seasonal reversal of wind direction associated with large continents, especially asia; in winter, the wind blows from sea to land.
  9. 18. vibration of earth produced by rapid release of energy
  10. 20. point/ the temperature to which air has to be cooled in order to reach saturation
  11. 21. / the rigid outer layer of earth including the crust and upper mantle.
  12. 22. core /a layer beneath the mantle about 2260 kilometers thick; the outer core contains liquid iron and generates earth’s magnetic field
  13. 23. rebound/ tendency for deformed rock
  14. 26. an instrument that measures atmospheric pressure
  15. 27. thermal energy transferred from one object to another
Down
  1. 2. boundary/ a region where the rigid plates are moving apart
  2. 3. the point within earth where an earthquake originates
  3. 5. the process of converting a liquid to a gas
  4. 6. a low pressure center characterized by a counterclockwise flow of air in northern hemisphere
  5. 7. the boundary between two adjoining air masses having contrasting characteristics.
  6. 9. / a molecule of oxygen containing three oxygen atoms
  7. 10. proposed supercontinent that 200 million years ago began to break apart and from the present landmasses
  8. 11. core/ the solid innermost layer of earth , about 1220 kilometers in radius.
  9. 16. heat / the energy absorbed or released during a change of state.
  10. 17. the layer of the atmosphere immediately above the stratosphere and characterized by decreasing temperatures with height
  11. 19. wall/ a doughnut- shaped area of intense cumulonimbus development and very strong winds that surrounds the eye of a hurricane.
  12. 24. /a general term referring to water vapor in the of earth air but not to liquid droplets of fog ,cloud, or rain.
  13. 25. the thin rocky outer layer of earth.