Across
- 2. Thomas Edison’s invention
- 5. application of light in the middle ages
- 7. telescope was used to see these objects
- 10. often associated with guidance from Allah
- 11. at the _________ hemisphere, we can see aurora australis
- 12. faster than sound
- 13. demonstrated white light with seven colors
Down
- 1. uses light properties such as reflection for visually appealing effect (in the mosque)
- 3. biological creatures that can glow and illuminate light
- 4. who invented glow sticks
- 6. still in sci-fi, real world not yet
- 8. light effect confirming light’s particle-like behavior
- 9. charged particles through this part of earth