| Questions | Answers |
|---|---|
| What is this passage about? | |
| What were some of the exhibits? | |
| What exhibit was the most interesting? | |
| What materials were used to make the early phones? | |
| What did you have to do to make a phone call with early phones? | |
| What other types of phones were mentioned? | |
| How do wireless phones in cars transmit messages? |