Across
- 2. the first design of a creation
- 4. Absorbs heat becomes hotter
- 9. a reaction that takes place to create a new substance
- 10. the state of which matter is in, solid, liquid, gas
- 12. The ability to not use certain elements
- 14. Solid formed after a liquid reaction
- 16. Releases heat, becomes colder
- 17. A change in the chemical structure
Down
- 1. An open reaction
- 3. law that says mass can not be created or destroyed during a reaction
- 5. Atoms and molecules moving faster
- 6. The needed elements
- 7. A closed reaction
- 8. the ability to get a toxic substance back
- 9. No change in quantities of anything during areaction
- 11. end results of a reaction
- 13. The breaking down of atoms
- 15. Needed to make a reaction