MCA Science - Earth Science

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Across
  1. 3. The minerals a rock is made up of
  2. 4. Way a surface reflects light
  3. 7. Rock type formed from heat and pressure
  4. 12. Name for water falling out of a cloud
  5. 14. Protects Earth from the ultraviolet rays of the sun
  6. 15. Plate boundary where the plates come together
  7. 16. Main source of energy for the Earth
  8. 17. Main element found in the atmosphere
  9. 18. The breaking apart of rocks into sediments
  10. 21. ______________ ____________ is the longest day of the year
Down
  1. 1. Oldest sedimentary rocks on the bottom
  2. 2. Lowest layer in the atmosphere where the weather takes place
  3. 5. Plate boundary where the plates slide past
  4. 6. Plate boundary where the plates pull apart
  5. 8. Minerals resistance to being scratched
  6. 9. The test of a mineral's powder color
  7. 10. Colder air moving in and overtaking warmer air
  8. 11. Age of a rock layer compared to other layers
  9. 13. Winds appear to curve due to the rotation of the earth
  10. 19. Rock type formed from melting and crystallization
  11. 20. Rocks formed from weathering, erosion, deposition, compaction, and cementation