| alert |
to warn or make aware. |
| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| butter |
a solid yellow fat made from milk. |
| dream |
an event in which changing pictures or images come into your mind as you sleep. |
| nor |
a word we often use along with the word "neither" in a sentence. "Neither" means not either of two things. If neither your mother nor your father says you can have a dog, then not one of your parents says you can have one. |
| often |
at frequent times. |
| paint |
a liquid that is used on surfaces to give color or protect the surface. |
| president |
a person who leads a company, club, or other organization. A president of an organization can be elected or appointed. |
| root |
the part of a plant that grows under the ground. Roots take in water and food, and they hold the plant in the soil. |
| runway |
a smooth, level strip on which airplanes take off and land. |
| search |
to try to find something by looking with care. |
| silence |
a lack of sound. |
| skull |
the bones of the head and face that protect the brain. |
| smile |
to have an expression on the face in which the corners of the mouth turn up. |
| terror |
very great fear. |