| dark |
having little or no light. |
| force |
power, energy, or physical strength. |
| guard |
to protect or pay close attention to something in order to keep it safe. |
| hang |
to attach to a point without support from below. |
| harden |
to make less soft or more rigid. |
| lesson |
a period of instruction with a teacher, or a specific group of things to be learned or studied together. |
| lightning |
natural electricity produced in clouds and appearing as a bright flash of light in the sky. |
| listen |
to try to hear. |
| price |
the amount of money needed to buy something. |
| reach |
to extend or stretch as far as. |
| relationship |
a connection between people. |
| shelf |
a thin, flat piece of wood, metal, or other material that is attached to a wall or set into a piece of furniture. Shelves are used to hold books, dishes, and other things. |
| snow |
small, soft, white pieces of frozen water that fall from the sky like rain. |
| train |
a group of railroad cars connected together that carry people or things from one place to another. |
| underground |
located, living, or taking place beneath the earth's surface. |