Across
- 2. The scientific study of heat and its relationship to other forms of energy.
- 5. A substance present at the start of a chemical reaction
- 7. The energy needed to start a reaction
- 9. A reaction that releases energy, often in the form of heat.
- 10. A measure of the average kinetic energy of the particles in a substance.
Down
- 1. A diagram that shows the energy changes of a reaction
- 3. The total energy contained within a system
- 4. The substance(s) produced during a chemical reaction
- 6. A reaction that absorbs energy from its surroundings
- 8. The state of a reaction where the rate of the forward reaction equals the rate of the reverse reaction