Across
- 4. a factor determined by the conditions set up in an experiment
- 6. a broad explanation for a wide range of situations and observations
- 8. formal examination of a research report by the scientific community
- 10. information gathered from a study
- 11. a social movement dedicated to protecting the natural world
- 12. the environmental effects of an individual or group in terms of resources used and waste produced
Down
- 1. factor scientists manipulate in an experiment
- 2. used at a rate equal to the rate of replenishment into the foreseeable future
- 3. a material or energy source provided by nature that people need to survive
- 5. the study of right and wrong
- 7. a testable idea that attempts to explain a phenomenon
- 9. all living and nonliving things with which organisms interact