Across
- 4. — Smallest unit of an element
- 6. — Mass in a certain volume
- 8. — State of matter that flows
- 9. — Amount of space an object takes up
Down
- 1. — State of matter with a fixed shape
- 2. — Anything that has mass and takes up space
- 3. — State of matter that spreads out
- 5. — Group of atoms bonded together
- 7. — Pure substance made of one type of atom
- 10. — Amount of matter in an object