Across
- 2. Putting chemicals together
- 4. The changes during a chemical reaction
- 6. Something that takes up space
- 7. A characteristic that can be seen, such as texture, color, order, boiling point, density, or measured
- 13. A change you can see
- 15. Something that increases the rate of a chemical reaction
- 17. The starting materials that undergo to make a chemical change to make a product
- 18. A pure substance that is formed when two or more different elements combine
Down
- 1. The study of matter
- 3. The average amount of kinetic energy in a system
- 5. The substance that is made after a reaction
- 8. A substance that can't be broken down
- 9. The amount of matter in an object
- 10. An amount of space an object takes up
- 11. water sticking to things
- 12. A process changing a substance into a new substance
- 14. A attraction between atoms
- 16. The smallest unit of matter