science

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Across
  1. 2. the center of the earth
  2. 6. getting hot a liquidy
  3. 10. the current eon
  4. 12. a type of mountain building uses plates
  5. 13. the eon after the hadean
  6. 16. rocks that come from magma
  7. 17. the first eon where everything was hOT
  8. 19. the eon when photosynthetic bacteria came
  9. 20. a force that makes sedimentary rocks
Down
  1. 1. a type of rock made under pressure
  2. 3. a thing that happens over time with weather or glaciers
  3. 4. lava still cooking
  4. 5. a type of rock created with heat and pressure
  5. 7. things that make sedimentary rocks
  6. 8. a type of mountain building with lava
  7. 9. a crack in the earth from tectonic plates
  8. 11. layers in rock mostly sedimentary
  9. 14. old bones
  10. 15. a layer of earth
  11. 18. the top layer in the earth