Across
- 2. Measure of how hot or cold something is
- 5. Substances that start a chemical reaction
- 6. That increases reaction rate but is not consumed
- 7. Substances formed by a chemical reaction
- 9. Principle that matter cannot be created or destroyed
- 10. Reaction that releases heat
Down
- 1. Reaction that absorbs heat
- 3. Speeds up a chemical reaction
- 4. Power or heat involved in reactions
- 8. A connection between atoms