| A | B |
| technology | all of the tools that people use every day |
| Samuel Morse | invented telegraph |
| Alexander G. Bell | invented the telephone |
| Henry Ford | Model T |
| Wright Brothers | Flew A Plane For 12 Seconds |
| flow chart | shows how to do something |
| assembly line | each worker adds one kind of part to a product as it passes on a moving belt |
| ancient times | times a very long time ago |
| civilization | a large group of people living in a well organized way |
| modern | how we describe the time we live in today |
| Sumerians | develpoed a cart with wheels and a way to write |
| Eqypt | pyramids |
| Chinese | fireworks and paper |
| Greek | democracy |
| Rome | a rich city |
| empire | all the land and people under the control of a powerful nation |
| trade | exchange one good or service for another one |
| caravan | a traveling group of traders |
| port | a place for ships to dock and pick up goods or people |