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