Across
- 2. something that can be observed about a substance, such as color, smell, or boiling point
- 6. an ending substance that is made during a chemical reaction
- 7. the town that had the rust in the water
- 9. the tiny pieces that all matter—all the stuff in the world—is made of
- 10. reaction a process in which atoms rearrange to form new substances
Down
- 1. a starting substance that is part of a chemical reaction
- 3. to change the order or position of something
- 4. something that is made of all the same atoms or groups of atoms
- 5. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
- 8. the relative size of things