Across
- 2. Way of gathering evidence
- 3. series of steps to approach research
- 7. An experiment where one variable is changed
- 8. a group of scientists that look at each others work and look for flaws
- 9. in a experiment there are no changes
- 12. in an experiment where the independent variable is altered
- 13. using senses to collect evidence
Down
- 1. logical guess on what you already know
- 4. all other variables that are kept the same in a controlled experiment
- 5. a well tested explanation unifies a range of observations
- 6. The one variable that is altered
- 10. a explanation for a set of observation
- 11. the variable that changes due to the independent variable