Across
- 2. The thing that Alexander Graham Bell invented
- 5. Car company that pioneered the assembly line
- 7. This was a main source of entertainment in the 1920s
- 8. Last name of brothers that built first airplane
- 11. State where the first flight happened
- 12. The most popular car during the early 1900s
- 13. Cars led to the growth of these
Down
- 1. West coast city for the first cross-country phone call
- 3. This made washing machines, lightbulbs, and refridgerated train cars possible
- 4. The first movies had no sound, and so they were known as...
- 6. Inventor of the lightbulb
- 9. East coast city for the first cross-country phone call
- 10. This was the main thing transported on refridgerated train cars