lecture 1 and 2

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Across
  1. 3. Where life operates
  2. 4. comprises all types of water resources
  3. 9. the protective blanket of gases surrounding the Earth
  4. 11. is the outer mantle of the solid earth.
  5. 13. Is the rate at which energy is used
  6. 14. anything that takes up space and has mass.
  7. 16. A solution with a pH higher than 7.
  8. 19. is the energy that it possesses due to its motion.
  9. 20. Developing new knowledge based upon old knowledge.
Down
  1. 1. the study of the interactions between life and its physical environment
  2. 2. earth sciences, especially geology.
  3. 5. focuses on the Earth’s atmosphere and its interrelation to the other system
  4. 6. produced when a rise in temperature causes atoms and molecules to move faster and collide with each other
  5. 7. it is needed by all known forms of life
  6. 8. is done when force is applied to an object over a distance
  7. 10. Stored energy that depends upon the relative position of various parts of a system.
  8. 12. is the ability to do work It is needed by all known forms of life.
  9. 15. is the study of energy
  10. 17. the concentration of hydronium ions in a solution
  11. 18. The study of interactions among physical, chemical, and biological components of the environment