Across
- 1. a substance with no fixed shape or volume
- 4. an object with a fixed shape and volume
- 6. pure substance that can't be broken down
- 7. measure or how much matter is in an object
- 8. two or more atoms joined together
- 11. All physical substances are made of this
Down
- 2. smallest building blocks of matter
- 3. measure of how much space an object takes up
- 5. mass divided by volume
- 9. a substance with a fixed volume but no fixed shape
- 10. two or more different elements joined