Across
- 6. an informed guess about science or scientific relationships
- 7. of receiving knowledge of the outside world through our senses
- 8. a prediction or explanation that is tested by an experiment
- 10. a group that receives a treatment in an experiment
- 11. The first step of the scientific method
Down
- 1. variable the experimenter manipulates or changes
- 2. process of ensuring that new research is original and uses valid science
- 3. to how accurately a method measures what it is intended to measure
- 4. primary system of measurement
- 5. the variable that is being measured or tested in an experiment
- 9. a group separated from the rest of the experiment