| bubble |
a ball of air or other gas inside another substance. |
| cigar |
a thin, tight roll of tobacco leaves prepared for smoking. |
| colorful |
having many colors; bright in color. |
| diagram |
a drawing or plan that shows the parts of something or how the parts work together. |
| dollar |
the main unit of money in the United States and many other countries. One U.S. dollar is equal to 100 cents. |
| dusk |
the time of day just before night; last moments of twilight. |
| free |
able to go where one wishes; not held back. |
| frost |
a thin, light covering of ice. |
| invisible |
not able to be seen. |
| lift |
to move (something) upward; raise. |
| rotten |
bad or spoiled; no longer able to be eaten. |
| sap |
the liquid that carries nutrients and water to all parts of a plant. |
| soft |
easy to bend or shape; not firm or hard. |
| trouble |
serious difficulty. |
| word |
a sound or group of sounds that has some meaning that other people can understand. Words are a basic unit of language. |