Across
- 3. the amount of matter in a substance
- 7. an observation that can be measured
- 10. what must be done to a scale to make it read the same as a balance
- 11. an observation that can be described, but not measured
- 12. a type of pure matter that cannot be separated chemically
- 13. mixture that is uniformly distributed
Down
- 1. mixture that can consist of more than one phase at a time
- 2. the study of matter, its changes, and the associated energy
- 3. anything that has mass and takes up space
- 4. something that can be changed in an experiment, or that changes in response to something else changing
- 5. can be separated physically
- 6. another name for a homogeneous mixture
- 8. the minimum number of different elements in a compound
- 9. an example of something not made of matter