sience words

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Across
  1. 3. glacier
  2. 4. magma
  3. 7. time, relative dating
  4. 8. tectonic, earthquakes
  5. 9. crust
  6. 12. mountains
  7. 13. ocean trench, natural disasters
Down
  1. 1. scale
  2. 2. seismograph
  3. 5. core
  4. 6. rocks
  5. 10. layers, weathering
  6. 11. sea level