Across
- 3. a specialized protein that speeds up a chemical reaction
- 4. a substance involved in a chemical reaction
- 5. the energy input required to start a chemical reaction (2 words)
- 6. a model of a chemical reaction (2 words)
- 7. the output of a chemical reaction
- 8. a change that releases more energy than it absorbs
Down
- 1. a process in which the chemical arrangement of a substance changes (2 words)
- 2. a change that absorbs more energy than it releases