Across
- 2. A change where no new substance is formed.
- 4. The scientific rule that matter is conserved.
- 5. Tiny building blocks of matter.
- 7. The stuff you start with in a chemical reaction.
- 8. The stuff you end up with in a chemical reaction.
Down
- 1. A group of atoms bonded together.
- 3. Matter cannot be created or
- 6. The measure of how much matter something has.
- 9. A change that forms a new substance.
- 10. The total amount of matter stays the ______.