| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| dough |
a thick mixture of flour and a liquid such as water or milk. You make bread, cookies, and other things to eat out of dough. |
| engine |
a machine that uses energy from a source such as gasoline or electricity to do work. |
| friendly |
pleasant toward others. |
| grip |
to grasp or hold firmly. |
| hiss |
to make a sound as if holding an "s" for a long time. |
| human |
having to do with or belonging to people. |
| ill |
not healthy; sick. |
| park |
an area of public land that anyone can use for rest and enjoyment. |
| servant |
a person whose job is to clean another person's house, cook their food, or help them in other ways in their home, often living in the home also. |
| shield |
a large, flat piece of strong material carried on the arm for protection. |
| though |
used to connect two parts of a sentence when the meaning of one part seems to disagree with the other. |
| underwater |
below the water's surface. |
| wake1 |
to come out of sleep (often followed by "up"). |
| wheelchair |
a chair on wheels that is used by people who cannot walk from place to place. |