| activity |
a specific thing that people do. |
| alert |
to warn or make aware. |
| cause |
something that makes a thing happen. |
| crime |
something that people do that is against the law. |
| diagram |
a drawing or plan that shows the parts of something or how the parts work together. |
| empty |
holding or containing nothing. |
| envelope |
a folded paper covering for a letter or other papers you mail. You write the address and put a stamp on an envelope before you mail it. |
| gap |
a space or opening between two things. |
| happiness |
the feeling of having joy or being glad. |
| lake |
a large body of fresh or salt water that has land all around it. |
| moist |
a little bit wet. |
| piano |
a musical instrument with a keyboard and many wire strings. A piano is played by pressing keys that cause small hammers to strike the strings. |
| police |
a department of a town, city, or state government that protects people and their property and makes people obey laws. |
| slice |
to take from a larger portion by cutting. |
| tender |
not tough; soft. |