Across
- 5. Property a characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction.
- 6. Reaction one or more substances are converted into another substance.
- 8. molecules made up of two or more different elements.
- 9. Reaction thermal energy (heat) goes out of the substance.
- 11. a particular kind of matter with uniform properties.
- 12. two liquids are mixed together and a solid is formed.
Down
- 1. Reaction thermal energy (heat) goes into the substance.
- 2. Change one substance reacts with another substance to become a new substance.
- 3. chemical reaction where oxygen has reacted with another substance to create a new substance (rust).
- 4. easily set on fire
- 7. burns easily
- 10. a pure substance that is made up of only one kind of atom.
