| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| dam |
a wall built across a river or stream to stop the flow of water. |
| dye |
a substance that is used to give color to cloth, hair, or other materials. |
| enough |
as much or as many as needed or required. |
| field |
a wide area of open land. |
| fierce |
wild and dangerous. |
| river |
a large natural stream of water that flows toward a lake, ocean, or other larger body of water. |
| rocket |
a device shaped like a tube that moves at high speed and is powered by gases that are forced out of one end. Rockets are used to send things into the air. |
| steeple |
a tall, narrow structure on top of a building, especially a church. A steeple often has a pointed spire. |
| stroke |
a single mark made in writing or painting, or the act of making such a mark. |
| swing |
to move or cause to move backward and forward around a point. |
| tone |
a single sound in music or a sound that is similar to music. |
| trailer |
a wagon pulled by a car or truck and used to carry a load. |
| vacuum |
a space or container in which there is no air or from which most of the air has been removed. |
| word |
a sound or group of sounds that has some meaning that other people can understand. Words are a basic unit of language. |