Across
- 3. so others can learn and evaluate results
- 5. an educated guess
- 11. process of noticing to gain information
Down
- 1. the variable that changes
- 2. investigations of new sources and materials
- 4. something that changes
- 6. trying out new ideas
- 7. the variable you change
- 8. decision reached by reasoning
- 9. element unchanged by other variables
- 10. facts and statistics