| artificial |
made by human beings; not natural. |
| barren |
not able to produce or support growth. |
| convey |
to carry from one place or person to another. |
| copper |
a reddish brown metal that is one of the chemical elements. Copper is used to make pipes, because it does not easily rust. It is used to make wires, because it is an excellent conductor of electricity. It can be combined with other metals to make alloys such as brass and bronze. |
| flex |
to bend again and again. |
| groove |
a long narrow cut or dent in a surface. |
| guitar |
a stringed instrument with a long neck and five, six, or twelve strings that are strummed or plucked. |
| punctuate |
to put commas, periods, apostrophes, and other such marks in a piece of writing. |
| republic |
a nation in which those who make the laws and run the government are elected by the people. |
| romp |
to move about or play in a lively manner. |
| selfish |
concerned only with oneself and not concerned about others. |
| tread |
to step or walk on, in, or along. |
| weapon |
an object or device used to attack or defend. |
| worldwide |
spread or happening all over the world. |
| worry |
to feel anxious, troubled, or uneasy. |