Across
- 1. What bonds do during an exothermic reaction
- 5. To take in or soak up energy.
- 6. A reaction that absorbs heat from its surroundings.
- 8. What bonds do during an endothermic reaction.
- 9. Energy transferred between objects due to temperature difference.
- 10. A process in which substances change into new substances.
Down
- 2. To give off energy or heat.
- 3. Substances formed as a result of a chemical reaction.
- 4. A reaction that releases heat into its surroundings.
- 7. Substances that start a chemical reaction.
- 8. A connection between atoms in a molecule.