Across
- 4. the observations, measurements, and other types of data that people gather and test to support and evaluate scientific explanations
- 6. information gathered by observation or experimentation that can be used in calculating or reasoning
- 7. the information obtained by using the sentences
- 8. in a scientific investigation, the factor that changes as a result of manipulation of one or more independent variables
- 9. 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
Down
- 1. in a scientific investigation, the factor that is deliberately manipulated
- 2. a quantity that has a fixed value; something that does not vary
- 3. a testable idea or explanation that leads to scientific investigation
- 4. an organized procedure to study something under controlled conditions
- 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