Across
- 3. a resource that is formed much more slowly than it is used
- 6. the formal process of submitting research for examination by the scientific community
- 7. any of the natural materials and energy sources provided by nature that humans need to survive
- 9. a social movement dedicated to protecting the natural world, and by extension people, from the harmful changes produced by human activities
- 11. the variable that changes in response to the conditions set in an experiment
- 12. the variable that is manipulated, or changed, in an experiment
- 16. a statement of what a scientist expects to observe if a hypothesis is true
- 18. a well-tested explanation of observations and experimental findings
- 19. a carbon-containing fuel formed over millions of years from the remains of living things
Down
- 1. a testable idea that attempts to explain a phenomenon or answer a scientific question
- 2. able to meet the current demand for a resource without depleting the future supply
- 4. the study of how the natural world works, how the environment affects humans, and how humans affect the environment
- 5. Ethics the application of ethical standards to relationships between humans and their environment
- 8. all living and nonliving things with which an organism reacts
- 10. a resource that is replenished, or renewed over a short period of time
- 13. information collected using scientific methods
- 14. a study in which only one factor is manipulated, or changed
- 15. the environmental impact of an individual or population in terms of the total amount of land and water required to provide the raw materials the individual or population consumes, and to dispose of or recycle the waste the individual or population produces
- 17. the branch of philosophy that involves the study of good and bad, and of right and wrong