Across
- 1. A _________ change affects the appearance of matter.
- 3. Two or more elements which are chemically combined in a fixed ratio.
- 6. A reaction in which energy must be supplied.
- 7. A homogenous material consisting of one particular kind of matter.
- 10. A homogenous mixture containing a solute mixed uniformly throughout,
- 11. A _____________ property depends on the amount of material.
- 13. A reaction in which energy is given off.
Down
- 2. Matter that has similar properties throughout.
- 4. Two or more materials which do NOT chemically combine.
- 5. Matter that has different properties.
- 8. The chemical _________ can be used in place of the name of the element.
- 9. A ____________ property depends on observations.
- 12. A substance which can not be broken down by chemical means.