Across
- 3. When two or more molecules combine to make a new substance, it is a chemical ________.
- 4. When iron rusts, this is an example of a _______ change.
- 6. Another type of evidence of chemical change is an unexpected _________ change.
- 7. A type of evidence of a chemical change that shows a gas being produced.
- 8. Tearing paper is an example of a ________ change.
Down
- 1. A type of evidence of chemical change is an unexpected _____ change.
- 2. Insoluble solids that emerge out of a liquid solution during a chemical reaction.
- 5. Another word for burning, which is evidence of a chemical change.
