| ash |
the soft gray powder that remains after something burns. |
| behave |
to act in a certain way. |
| card |
a small, thick piece of paper used for sending a message to another person. |
| cloud |
a white or gray mass of small drops of water high in the sky above the earth. |
| explore |
to travel in order to discover or search for something. |
| fat |
having too much weight. |
| health |
the condition of one's body or mind. |
| letter |
a symbol, such as "A" or "B," in writing that represents a sound in a language. |
| market |
a place where people buy and sell things. |
| mixture |
something that is made by two or more things that are mixed together. |
| nature |
the basic character and qualities of a person or thing. |
| operator |
a person whose job is to control a machine. |
| pipe |
a tube of metal, plastic, or other material through which a gas or liquid may flow. |
| railroad |
a road of two connected steel bars along which trains move, or a system of transportation that uses these roads. |
| swell |
to become larger because of growth or pressure. |