| A | B |
|---|
| built | to put the parts together |
| early | happening or done before the usual or expected time |
| learn | gain or acquire knowledge of or skill in |
| science | the systematic study of the structure and behavior of the physical and natural world |
| through | moving in one side and out of the other side of |
| Boston | a city in eastern Massachusetts, the capital of the state |
| communicate | share or exchange information, news, or ideas |
| electricity | a form of energy |
| famous | known about by many people |
| piano | a large keyboard musical instrument |
| Scotland | a country in northern Great Britain |
| telephone | a machine that transmits sound |
| determined | having your mind made up |
| inventor | a person who makes something for the first time. |
| technology | the tools we use to make our lives easier. |
| stall | to stop suddenly. |
| speech | a talk. |
| sketch | a quick drawing |
| biplane | a plane that has two sets of wings. One set is above the other |
| stable | it is not likely to fall apart. |
