Across
- 3. The knowledge obtained by observing natural events and conditions.
- 4. A testable idea or explanation that leads to scientific investigation.
- 5. A testable idea or explanation that leads to scientific investigation.
- 6. A quantity that has a fixed value; something that does not vary.
- 7. 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.
- 9. Information gathered by observation or experimentation.
- 10. In a scientific investigation, the factor that is deliberately manipulated.
- 11. The process of obtaining information by using senses.
Down
- 1. In a scientific investigation, the factor that changes as a result of manipulation of one or more independent variables.
- 2. The observations, measurements, and other types of data that people gather and test to support and evaluate scientific explanations.
- 8. An organized procedure to study something under controlled conditions.