Rocks

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Across
  1. 1. preserved plant and animal material
  2. 3. formed from volcanic action
  3. 4. rain, ice, sleet falling from the clouds.
  4. 6. study of the natural world
  5. 8. zone where two plates are moving away from each other
  6. 9. formed by melting
  7. 11. one big landmass years ago
  8. 12. energy from rocks under the surface of the earth'
  9. 15. the sediments are pressed together tightly.
  10. 16. layer of the earth where plants and animal live
Down
  1. 2. one tectonic plate moving under another
  2. 5. formed by compacting and cementing of sediments
  3. 7. formed by weathering and erosion
  4. 10. formed by heat and pressure
  5. 13. energy from the sun
  6. 14. crack between plates of the earth.