Across
- 2. during a chemical reaction, one or more reactants change into one or more different _________
- 7. keeping something the same
- 9. (2 words, no space) during a chemical reaction, atoms do not _________
- 10. (2 words) the process that will create new substances
- 12. something that will change in a chemical reaction
- 13. my son's name
Down
- 1. different substances have different _________
- 3. (2 words) letters and numbers showing the types and number of atoms that repeat to make up a substance
- 4. talking with somebody
- 5. during a chemical reaction, the _________of the starting substances must be the same as the _________of the ending substances
- 6. a substance that will change in a chemical reaction
- 8. groups of atoms repeat to make up a _________
- 11. small units of matter that combine to make up molecules