Across
- 3. Nonliving chemical and physical factors.
- 7. Method of solving scientific questions.
- 8. Science assumes the universe follows understandable patterns.
- 9. Region of Earth where life exists.
- 10. Study of energy.
- 13. Latin word for knowledge.
- 16. Organized body of knowledge obtained through study and experimentation.
- 17. Statement that gives a possible answer to a question.
- 20. Environmental problem caused by excess nutrients.
- 23. Process of gaining new knowledge through research.
- 24. SECOND most abundant element in organisms.
- 25. Surrounding conditions of an organism.
- 26. Law stating energy degrades into lower forms.
- 28. Group of the same species living in one area.
Down
- 1. Information gathered through the senses.
- 2. Group of different species living in one area.
- 4. Living components of an environment.
- 5. Central characteristic of the scientific method.
- 6. Outer solid layer of Earth.
- 11. Process of removing minerals from seawater.
- 12. Process that returns nitrogen gas to the atmosphere.
- 13. Freshwater flowing over land.
- 14. Element cycle involving rocks and solution phases.
- 15. Author of The Closing Circle.
- 18. Ability to do work or transfer heat.
- 19. Essential element in living molecules.
- 20. Study of organisms and their environment.
- 21. Element fixed from the atmosphere by bacteria.
- 22. Biotic and abiotic components together.
- 27. Mineral found in bones and teeth.