Across
- 2. something that can be observed about a substance, such as texture, resistance to breakage, or color
- 7. a process in which atoms rearrange to form new substances
- 8. an ending substance that is created during a chemical reaction
- 9. letters and numbers showing the number and type of atoms that repeat to make up a substance
- 11. we know if substances are different if they have different _______
Down
- 1. very very very small lizards (too small to be seen with the naked eye) would probably be covered in these (2 words, no space, and it's plural, e.g. whitecrystals)
- 3. a starting substance that is part of a chemical reaction
- 4. we know a chemical reaction has occurred if a new________ is created
- 5. something that is made of all the same atoms or groups of atoms
- 6. we can't see molecules, but we can visualize them by using a _____
- 10. the parts of a substance that rearrange to make a new substance in a chemical reaction