Across
- 2. unobstructed view, atmosphere
- 4. once a caterpillar
- 5. natural electrical charge in the sky
- 7. invented the windshield wiper
- 9. the colorful ending of the day
- 11. the beginning of the bright day
- 12. invented the traffic light
- 13. where the earth and sky meet
- 14. the gas we breath
- 16. a map of stars in a pattern
- 18. to guess, try and prove
Down
- 1. invented the filament for the light bulb
- 2. invented the ironing board
- 3. low part between the mountains
- 6. a perfect seat in nature
- 7. it seems I can touch the skies
- 8. invented duct tape in WWII
- 10. I am loud and follow lightning
- 15. all of the physical outside world
- 17. has a trunk but is not a car