Across
- 1. Material used in a kaleidoscope
- 4. 3D art
- 5. Route 66
- 7. Type of gas used to light neon signs
- 9. Developed early versions of neon lights in the late 1800s
- 11. Gas extracted from earth
- 12. Red gas
- 13. The fourth form of matter
- 14. The L in LED stand for this
Down
- 1. Metal that creates a vapor at low temperature
- 2. Scientifically, color induces
- 3. Local St. Louis grocery store
- 6. Conductor which allows electricity to enter a neon tube
- 8. The color of argon gas
- 10. Flow of energy per unit of time