Across
- 2. It is a chemical reaction that absorbs more energy than it releases.
- 5. It is the amount of energy that needs to be absorbed for a chemical reaction to start.
- 6. It changes substances into different substances by breaking and forming chemical bonds.
- 8. They are substances made by a chemical reaction.
Down
- 1. It is a chemical reaction that releases more energy than it absorbs.
- 3. It is reached when both the reactants and products are made at the same rate.
- 4. It is the amount of energy that will break a bond between two atoms.
- 7. They are substances changed during a chemical reaction.
