Across
- 3. a change that does not alter the composition of the material
- 5. ratio of the mass of an object to its volume
- 6. method used for expressing very large and very small numbers
- 8. used to represent an element
- 10. ratio of equivalent measurements
- 12. separates a solid from a liquid in a heterogeneous mixture
- 13. contains two or more elements chemically combined in a fixed proportion
- 14. the study of chemicals containing carbon
Down
- 1. a visual way of displaying information or data
- 2. all known digits, plus one estimated digit
- 3. measure of how close a series of measurements are to one another
- 4. a change that produces matter with a different composition than the original matter
- 7. simplest form of matter that has a unique set or properties
- 9. revised version of the metric system
- 11. a logical, systematic approach to solving scientific problems