Across
- 4. an explanation based on fact and evidence
- 7. the amount of matter in an object
- 11. statement that describes an occurrence in nature that appears to always be true
- 13. an act of noticing or perceiving
- 14. information used to prove a fact probable
- 16. what you think will happen
- 17. the amount of space an object takes up
- 18. the final step in an investigation that summarizes the findings
Down
- 1. facts and statistics collected for analysis
- 2. a representation of something from the real world that makes it easier to understand
- 3. an educated guess
- 5. a factor that can be changed in an experiment
- 6. a conclusion reached on the basis of reasoning and evidence
- 8. systematic study of the world around us
- 9. a test to discover something or test a theory
- 10. a factor that stays the same in an experiment
- 12. anything that takes up space and has mass
- 15. how compact matter is in a given space