Across
- 1. substance Matter that has fixed composition
- 2. How much matter is in a certain volume
- 6. change When something is changed into a new substance
- 8. Smallest unit of a substance
- 10. Smallest unit of an element
- 11. A substance that can't be broken down
Down
- 1. change Changes physical properties not chemical
- 3. point Temp when something changes from solid to liquid
- 4. Capacity of substance to combine with another substanc
- 5. Mixture of things not chemically combined
- 7. Made of atoms of different elements
- 9. point Temp when liquid changes to gas
- 12. Has mass and takes up space
