| boom1 |
a deep, hollow sound, as from an explosion. |
| both |
one and the other of two things or people. |
| cup |
a small, open container used for drinking. |
| emergency |
a sudden dangerous situation that requires immediate action or help. |
| essay |
a short piece of writing on a particular subject that contains the ideas and opinions of the author. |
| greet |
to use words or simple actions that show pleasure or respect when you meet someone or start a letter. |
| liberty |
freedom from being confined or controlled. |
| map |
a picture of an area of the earth or sky drawn or printed on a flat surface. |
| radio |
a piece of equipment that receives signals that travel through the air and changes them into sound. |
| rainbow |
a curved arc of light of many colors across the sky. Rainbows are caused by the sun's shining through drops of water during or after a rain. |
| route |
a road or way of travel from one place to another. |
| sadness |
the state or quality of being unhappy. |
| system |
a group of things or parts that work together as a whole. |
| tough |
hard to break; strong; lasting a long time. |
| widow |
a woman whose husband has died. |