| chemical |
a substance used in or made by a chemical process. |
| crew |
a group of people who work together. |
| damp |
wet, but not very wet. |
| emperor |
the male ruler of an empire. |
| grade |
to rate for correctness or quality, usually by giving a letter or score. |
| happy |
feeling glad, pleased, or comfortable. |
| knife |
a tool with a handle and a thin, sharp blade that is used for cutting. |
| mask |
a covering that hides all or part of the face. |
| sadness |
the state or quality of being unhappy. |
| sink |
to fall slowly to a lower level. |
| sour |
having a sharp taste caused by acid. Lemons, vinegar, and yogurt are some things that are sour. |
| stand |
to hold your body upright by using your legs and feet, or to move to this position. |
| sting |
to make a tiny hole in the skin that causes pain. |
| trailer |
a wagon pulled by a car or truck and used to carry a load. |
| warn |
to tell of a possible danger. |