Earth Science Chapter 2

12345678910111213141516171819
Across
  1. 2. system where energy, but not matter is exchanged
  2. 6. chain in which organisms consume each other
  3. 9. denser than crust, 2/3 of earth's mass
  4. 10. solid mantle also means middle
  5. 11. cycle essential for life processes
  6. 12. producers are the base
  7. 15. less rigid layer of mantle
  8. 17. mostly solid part of the earth
  9. 18. make their own food
  10. 19. region in space affected by Earth's magnetic field
Down
  1. 1. all forms of life in the other spheres
  2. 2. center of earth
  3. 3. system where both energy and matter are exchanged
  4. 4. get energy by breaking down dead organisms
  5. 5. the crust and the colder and brittle part of the mantle
  6. 7. cycle important to build protein, base of DNA
  7. 8. cycle continuous water
  8. 11. get their energy from eating other organisms
  9. 13. blanket of gases that surrounds Earth's surface
  10. 14. thin, solid, outermost zone
  11. 16. water is 71% of Earth's surface