Ch. 4 Crossword Puzzle

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Across
  1. 2. the mostly-solid bulk of Earth's
  2. 3. the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
  3. 5. a set of things working together as parts of a mechanism or an interconnecting network.
  4. 6. relating to earthquakes or other vibrations of the earth and its crust.
  5. 8. all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
  6. 10. liquid, iron-nickel layer of the Earth between the solid inner core and lower mantle
  7. 13. the envelope of gases surrounding the earth or another planet.
  8. 14. a process that raises or builds up the surface features of the Earth.
  9. 15. coarse- or medium-grained intrusive igneous rock
Down
  1. 1. the strength and vitality required for sustained physical or mental activity.
  2. 3. a fine-grained basic igneous rock composed of calcic plagioclase and augite
  3. 4. any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
  4. 7. the outermost shell of a terrestrial planet
  5. 9. continuous physical force exerted on or against an object by something in contact with it.
  6. 11. hot, dense ball of (mostly) iron.
  7. 12. a process that lowers or tears down the surface features of the Earth.