Across
- 4. an idea or suggestion that is based on known facts and is used as a basis for further investigation
- 6. the act of noticing something, such as a phenomenon, often by means of an instrument, and making a record of the resulting information
- 7. physical matter or material
- 8. an occurrence, circumstance, or fact that can be observed with the senses
Down
- 1. the theory of the gradual development of the characteristics of plants and animals over many generations
- 2. a general conclusion that is drawn from particular examples or evidence
- 3. the process to reach a conclusion after thinking about all the facts
- 5. systematic knowledge of the physical world gained through observation and experimentation