Across
- 2. a period of scientific and technological development
- 3. invention by thomas edison that used electricity to illuminate things
- 6. helped connect the east and the west sides of america
- 8. made a more inexpensive and fast way to produce steel
- 9. society built on farming
Down
- 1. used in a factory to make things go faster
- 4. invention that created air mail and faster transportation
- 5. covered with thin gold leaf or paint
- 7. moves people and things instead of stairs
- 10. someone who moves to another country permanently