Across
- 2. Used to melt the materials used for glass
- 5. Two pieces of glass bonded with plastic
- 6. Surrounds the broken glass, like a circle
- 8. Who made this crossword
- 9. Goes away from the broken glass, like rays from the sun
- 11. most common glass
- 13. What makes glass invisible in water
- 14. Glass made from lightning
- 15. The material other than glass used in laminating
Down
- 1. Mass per unit area
- 3. Glass made stronger with more heat or chemicals
- 4. Most commonly found in banks or other high security areas
- 7. Glass made from volcanoes
- 10. No clear shape or form
- 12. The measurement from glass surface to bottom