Across
- 4. The smallest particle of a compound that still has the compound’s properties.
- 8. A combination of two or more substances in any proportion.
- 9. matter cannot be created or destroyed.
- 10. The ability of matter to burn.
- 11. Properties of matter can be measured or observed only when matter undergoes a change to become an entirely different substance.
- 12. When matter changes chemically into an entirely different substance with different chemical properties.
Down
- 1. Matter properties that can be measured or observed without matter changing to a different substance.
- 2. A pure substance.
- 3. Matter change in one or more of matter's physical properties.
- 5. The ability of matter to combine chemically with other substances.
- 6. The smallest particle of an element that still has the element’s properties.
- 7. Unique substance that forms when two or more elements combine chemically.
