Across
- 1. Changing waste into a new and usable product
- 2. Evidence based on an inference
- 6. A test is planned carefully and uses science to answer questions
- 7. A reason, a cause or an answer
- 8. An explanation based on your observation or measurement
- 10. A planned set of steps
- 11. Information collected during an experiment
- 12. The search for an answer to a question
- 15. Figures, numbers, data, and logic
- 16. Lowering the amount of waste produced by an individual or whole society
- 18. A repeat of an observation or test
- 19. Harmful substances in an environment
- 20. Getting rid of; throwing away
Down
- 1. Use a product more than once
- 3. Does not hurt the living and nonliving things in a community
- 4. Without any use or benefit
- 5. Evidence that comes from your measurements or testing
- 9. A factor that can change in an experiment
- 13. To protect and avoid wasteful and destructive use
- 14. An idea about what the outcome of an investigation will be
- 17. An educated guess that can be tested