Across
- 4. something that can be observed about a substance
- 5. the tiny pieces that all matter is made of
- 8. A process in which atoms rearrange into new substances
- 9. a group of more than one atom bonded together
- 10. The starting substances in a chemical reaction
Down
- 1. Something that is made up of all the same atoms
- 2. The ending substances in a chemical reaction
- 3. To change the order or structure of something
- 6. Something that makes it simpler to see/understand an idea
- 7. The relative size of things