Across
- 3. has weight & occupies space
- 7. Cu
- 8. scale for measuring acidity or alkalinity of water
- 9. lightest element known
- 10. take shape of container
- 13. Sn
- 14. O
- 16. heat BTU Req. to change temp. of 1lb
- 18. substance most often transported in pipe systems
Down
- 1. process of converting a liquid into a vapor
- 2. Pb
- 4. differences between states of matter
- 5. a homogeneous mixture of 2 or more substances
- 6. weight of a unit volume
- 11. definite volume and shape
- 12. smallest particle of a substance
- 15. zero -460
- 17. Fe