Environmental Science Crossword Puzzle

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Across
  1. 1. The main source of energy for organisms on Earth.
  2. 3. Asking "Why did this happen?" is part of ______.
  3. 5. Science cannot answer all ______.
  4. 10. A possible explanation that can be tested.
  5. 15. Law stating that everything is connected to everything else.
  6. 16. Science that studies living things.
  7. 17. The study of energy.
  8. 19. The scientific method helps solve ______.
  9. 20. The process of carefully watching and recording events.
  10. 21. Organisms and their environment interact in an ______.
  11. 24. Non-living components of the environment.
  12. 25. Ecology teaches us to protect the ______.
  13. 26. Trees being cut down is called ______.
  14. 28. The first law states that energy cannot be ______ or destroyed.
  15. 29. Organized body of knowledge obtained through study and experimentation.
  16. 30. Fallen leaves, dead animals, and human waste are examples of ______.
Down
  1. 2. Energy from fossil fuels is considered ______.
  2. 4. The objective of science is to understand the ______ world.
  3. 6. The process of turning waste into useful materials.
  4. 7. Study of the relationships between organisms and their environment.
  5. 8. Scientific ideas can ______ as new evidence is discovered.
  6. 9. Living components of the environment.
  7. 11. The ability to do work or transfer heat.
  8. 12. Founder of the Four Laws of Ecology.
  9. 13. The branch of science that studies non-living things.
  10. 14. The second law of thermodynamics is related to ______.
  11. 18. Earth is considered a ______ ecological system.
  12. 22. Science relies on careful ______ and experimentation.
  13. 23. A scientific process of asking questions and finding answers.
  14. 27. A controlled procedure used to test a hypothesis.