| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| beat |
to hit again and again. |
| boat |
an open vehicle, smaller than a ship, that moves on water. |
| branch |
a woody part of a tree or bush that grows out from the trunk. |
| engine |
a machine that uses energy from a source such as gasoline or electricity to do work. |
| fever |
a body temperature higher than normal that is usually caused by illness. |
| heart |
the organ in the body that controls the flow of blood. |
| holiday |
a day to remember or celebrate something. Many businesses close and people do not go to school or work on a holiday. |
| hurry |
to move or act with speed. |
| idea |
any thought or picture formed in the mind. |
| lazy |
not wanting to work or use effort. |
| mainly |
for the most part; mostly. |
| pretend |
to imagine or make believe. |
| slide |
to move easily along a smooth surface. |
| write |
to form letters or words on a surface with a pen, pencil, or some other thing. |