Environmental Science Crossword Puzzle

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Across
  1. 2. The study of the interactions between lifeand its physical environment.
  2. 6. Is a common chemical substance on planet Earth
  3. 7. Is the smallest particle of an element
  4. 8. The act of noting or detecting phenomenon by the senses.
  5. 9. Where life operates.
  6. 11. It means knowledge.
  7. 12. Is a pure substance
  8. 15. Comprises all types of water resources
  9. 16. The protective blanket of gases surrounding the Earth.
  10. 17. A substance that forms as a result of a chemical reaction
  11. 19. Is the main element in organic compounds
  12. 21. Is the rate at which energy is used
  13. 23. A solution with a pH higher than 7
  14. 25. Is a substance that consists of two or more elements
  15. 26. Is the ability to do work
  16. 27. An energy that possesses due to its motion
  17. 28. The outer mantle of the solid earth.
  18. 29. It is the unit of power
Down
  1. 1. An energy that depends upon the relative position of various parts of a system
  2. 3. The sum of all biochemical reactions in an organism
  3. 4. Developing new knowledge based upon old knowledge.
  4. 5. Is anything that takes up space and has mass
  5. 10. Is a key cultural aspect that is embedded in people’s way. of life.
  6. 11. It is a systematic body of knowledge.
  7. 13. Is the study of energy
  8. 14. A substance that starts a chemical reaction
  9. 18. A widely accepted hypothesis that stands the test of time.
  10. 20. A test that is used to rule out a hypothesis or validate something already known.
  11. 22. Is done when force is applied to an object over a distance
  12. 24. A solution with a pH lower than 7