Across
- 2. an explanation based on knowledge
- 5. a possible answer or solution to a problem
- 8. the variable that is changed by the scientist
- 9. a factor that does not change
- 10. steps of investigation
- 12. a quantity that can have more than a single value
Down
- 1. changes according to changes in the independent variable
- 3. a statement about what happens in nature and seems to be true all the time
- 4. tests the effect of one thing on another
- 6. represents and idea, event or object
- 7. the general pattern shown in a graph or table
- 11. the standard by which test results can be compared
- 13. a scientist’s opinion affects the results