LRhoades

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Across
  1. 2. Rock created from hardened lava
  2. 3. Rock created from heat and pressure
  3. 5. Second layer of Earth
  4. 7. Rock created from years of organic material piled up
  5. 9. The magnetic field created by Earth
  6. 12. The middle of Earth
  7. 13. Plates moving away from each other
  8. 14. Igneous rock created by the cooling of lava
  9. 17. What makes something different
  10. 18. Outermost layer of the Earth
Down
  1. 1. Measures and charts seismic waves
  2. 4. Theory that the crust is made of sections
  3. 6. Waves an elastic wave in the earth produced by an earthquake
  4. 8. A type of igneous silicate rock
  5. 10. The study of Earth’s structure and composition
  6. 11. Flow of charged particles from the Sun
  7. 15. Changing direction
  8. 16. a metric unit equal to 1,000 meters