ESumner Crossword

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Across
  1. 4. two plates slide past each other horizontally
  2. 7. Crustal rocks
  3. 8. rocks produced by high temperature or pressure
  4. 10. two or more plates moving away from each other
  5. 13. rocks formed by the cooling of volcanic lava
  6. 15. rocks that have cooled from a molten state
  7. 16. charged particles from the sun
  8. 18. largest part of the solid earth
Down
  1. 1. the motion of plates of the outer layer
  2. 2. two or more plates collide
  3. 3. movement caused by colder denser material sinking
  4. 5. the metallic center of the earth
  5. 6. earth’s magnetic field
  6. 9. a place of significant activity or danger
  7. 11. study of the earth
  8. 12. a vibration that travels through the earth
  9. 14. rocks made of fragments of igneous or shells
  10. 17. the sideways and downward movement of the edge of plates