Earth and Space

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Across
  1. 3. One specific type of animal becoming extinct
  2. 7. First Period of Mesozoic era
  3. 9. our skeleton has these
  4. 10. Applying force to an object
  5. 11. Experts in the study of fossils
  6. 13. What lightning does
  7. 14. When a mountain explodes with lava/magma
  8. 15. period of time marked by distinctive character, events, changes on earth,
  9. 16. bright star that is in our galaxy
Down
  1. 1. A natural accruing substance
  2. 2. Any remains of trace of a organism that had been preserved for a very long period of time in earths crust (often sedimentary rock)
  3. 4. Rock that comes from erosion, erosion deposit
  4. 5. Is a layer that is made up of sedimentary deposits with the same characteristics (colour, grain size,type of rock)
  5. 6. one of the basic units of biological classification
  6. 8. The ability to adapt to new things or new places
  7. 12. All the layers of sedimentary rock become compressed layers.
  8. 13. process where soil and rock move and removed from earth.