| crystal |
a solid substance that has a repeating pattern of flat surfaces. |
| flight |
a trip on a plane from one place to another. |
| gas |
a form of matter that is neither liquid nor solid. Oxygen is an example of a gas. |
| gentle |
not intending to cause pain or trouble to other people or animals; kind. |
| guard |
to protect or pay close attention to something in order to keep it safe. |
| holder |
an object used for holding. |
| likely |
to be expected; probable. |
| mineral |
a pure, hard substance in the earth that does not come from an animal or a plant. |
| problem |
a question or condition that is difficult to understand or to deal with. |
| rid |
to cause things that are not wanted to go away. |
| speech |
the power to speak, or the act of speaking. |
| spill |
to cause to flow or fall from a container. |
| strong |
having power; difficult to break or damage. |
| syrup |
a thick, sweet liquid. |
| unit |
a single thing that is one of a group of similar things. |