Across
- 3. Material formed by mixing two or more substances
- 6. Major element in bone structure
- 7. Process in which a solid changes directly into gas
- 9. Element with atomic number 10
- 10. State of water at 0 °C
- 12. Instrument used to measure liquid accurately
- 14. Green pigment in plants
- 17. Gas required for burning
- 18. Device used to measure temperature
Down
- 1. Device used by submarines to view the water surface
- 2. SI unit of time
- 4. The smallest particle of an element
- 5. Tool used to magnify small objects
- 8. Substance that turns blue litmus paper red
- 11. Negatively charged particle
- 13. Liquid that dissolves other substances
- 15. State of matter with fixed volume but no fixed shape
- 16. lightess element in the periodic table