| blink |
to close and open the eyes very quickly. |
| brake |
a device used to slow or stop the motion of a vehicle or machine. |
| class |
a group of people, things, or animals that are similar in certain ways; kind. |
| fact |
something known or proved to be true. |
| finish |
to reach or cause the end of; complete. |
| gain |
to get. |
| idea |
any thought or picture formed in the mind. |
| life |
the thing that is in humans, animals, and plants that allows them to grow and to produce more creatures like themselves. Things like rocks do not have life. |
| lucky |
resulting from or having good fortune. |
| ore |
a rock or mineral from which a metal or other useful substance can be removed. |
| plant |
a living thing that has leaves, makes its own food, and has roots that usually grow in the earth. |
| really |
in fact; actually. |
| set |
to put in a particular place. |
| spy |
a person who watches in secret to get information about others. |
| subway |
a train in a city that carries passengers and travels under the ground. |