Across
- 2. Relating to *how* the substance is
- 6. To set on fire or be on fire
- 7. When a reaction takes heat from the environment
- 9. The substances that react with each other
- 10. When one thing takes the place of another thing
- 11. Relating to *what* the substance is
Down
- 1. When something falls apart
- 3. When something remains the same
- 4. The solids that result from the reactions of liquids
- 5. The output or result of a reaction
- 7. When a reaction gives heat to the environment
- 8. When two things become one thing
