Across
- 2. a well tested explanation for a broad set of observations
- 7. a concise statement that summarizes the results of many observations and experiments
- 8. logical, systematic approach to the solution of a scientific problem
- 9. a quality or condition of a substance that can be observed or measured without changing the substances composition
- 10. the study of all chemicals
- 12. the area that deals with mechanism, rate and energy transfer that occurs when matter undergoes a change
- 14. the variable that you change during a experiment
- 20. a form of matter that takes both the shape and volume of its container
- 21. some properties of material change but the composition of the material does not change
- 23. the study of the composition of matter and the changes that matter undergoe
- 24. a form of matter that has a definite shape and volume
- 27. the study of processes that take place in living organisms
- 28. when you use your senses to obtain information
Down
- 1. describes the gaseous state of a substance that is generally a liquid or solid at room temperature
- 3. a proposed explanation for an observation
- 4. the pursuit of chemical knowledge for its own sake
- 5. a property that depends on the type of matter in a sample not the amount of matter
- 6. a representation of an object or event
- 11. a measure of the amount of matter the object contains
- 13. a procedure that is used to test a hypothesis
- 14. the study of chemicals that in general do not contain carbon
- 15. a property that depends on the amount of matter in a sample
- 16. the variable that is observed during the experiment
- 17. the area of study that focuses on the composition of matter
- 18. research that is directed toward a practical goal or application
- 19. anything that has mass and occupies space
- 22. a form of matter that has an indefinite shape, flows, yet has a fixed volume
- 25. matter that has a uniform and definite composition
- 26. a measure of the space occupied by the object