| dam |
a wall built across a river or stream to stop the flow of water. |
| diagram |
a drawing or plan that shows the parts of something or how the parts work together. |
| instrument |
a tool or mechanical device used for special work. |
| juice |
the natural liquid from plants or meats. The juice from fruits and vegetables is used for drinking. |
| lap |
the front of the body from the waist to the knees when you are sitting. |
| operator |
a person whose job is to control a machine. |
| recycle |
to put used things through a process that allows them to be used again. |
| robbery |
the act of stealing money or property from a person or place; the act of robbing. |
| shape |
the form of the outer surface or edge of an object. |
| shell |
a hard outer covering that an animal, especially a sea animal, has made to protect itself. |
| smoke |
the black, white, or gray gases that you see in the air when something burns. |
| square |
a flat, closed figure with four straight sides of equal length and four equal corners. |
| uniform |
a special suit of clothing worn by all members of a particular group. |
| unit |
a single thing that is one of a group of similar things. |
| van |
a tall, covered truck or car used to move people or goods. |