Earth Science Chap 2

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Across
  1. 2. covers 71% of Earth's surface
  2. 4. ____core, depth of 2,900 km, liquid
  3. 7. organized group of related objects that interact
  4. 9. a place where matter or energy is stored
  5. 11. layer underneath the crust
  6. 12. Earth's magnetic field
  7. 14. less rigid layer under lithosphere
  8. 15. blanket of gasses that surround the Earth
  9. 16. mostly solid part of the Earth
  10. 17. force of attraction between all objects
  11. 18. all life on Earth
  12. 19. spherical center of the Earth
  13. 20. lower boundary of the Earth's crust
Down
  1. 1. first scientist to explain gravity
  2. 3. study of complex abiotic/biotic relationships
  3. 5. anything that has mass and takes up space
  4. 6. and uppermost mantle
  5. 8. ability to do work
  6. 10. mantle rock under asthenosphere
  7. 13. ___ core, depth of 5,500 km, solid