Across
- 5. the name given to a reaction that absorbs heat
- 7. a change in this indicates a chemical reaction
- 8. meal ready to eat
- 9. a substance formed as a result of a chemical reaction
- 10. heat is a form of this
Down
- 1. the substance that reacted with copper sulfate
- 2. a starting material; a substance that undergoes change in a reaction
- 3. the name given to a reaction that releases heat
- 4. the requirements, or features that a design must have
- 6. a limit