Across
- 2. a testable idea or explanation that leads to scientific investigation
- 7. the observations, measurements, and other types of data that people gather and test to support and evaluate scientific explanations
- 8. In mathematics, a quantity that has a fixed value; something that does not vary
- 10. in a scientific investigation, the factor that is deliberately manipulated
Down
- 1. the process of obtaining information by using the senses; the information obtained by using the senses
- 3. an organized procedure to study something under controlled conditions
- 4. in a scientific investigation, the factor that changes as a result of manipulation of one or more independent variables
- 5. the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested
- 6. information gathered by observation
- 9. In science, a control is a system for which the expected change or outcome is well known and is measured or observed for the purpose of comparing it to a treatment group in scientific research.