A Hernandez Crossword Puzzle

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Across
  1. 7. the mostly solid bulk of Earth’s interior
  2. 10. igneous rock consisting mainly of quartz, mica, and feldspar
  3. 12. the idea that earths crust has different portions
  4. 14. a tool that measures and records earthquakes
  5. 15. being able to find the difference between two things
  6. 16. a metric unit of length equal to 1,000 meters
  7. 18. the outermost shell of a planet
Down
  1. 1. formed from sediment deposited by water or air
  2. 2. two regions where radiation surrounds the earth at several heights
  3. 3. the magnetic region around the earth and other planets
  4. 4. innermost portion of the earth
  5. 5. fine-grained volcanic rock that displays a columnar structure
  6. 6. studying the geological features of an area
  7. 8. the continuous flow of charged particles from the sun
  8. 9. a rock that has gone under heat, pressure, or other natural causes
  9. 11. when an object causes a ray of light to change the direction in which it moves
  10. 13. an elastic wave in the earth produced by an earthquake or other means
  11. 17. is made from the intrusion and extrusion of magma or volcanic activity