| A | B |
| Cacao | Tropical tree whose seeds are used to make chocolate and cocoa. |
| Copra | Dried coconut meat, which is used to make margarine, soap, and other products. |
| Pidgin Language | Language formed by combining elements of several different languages. |
| High Island | Pacific island formed by volcanic activity. |
| Low Island | Pacific island formed of coral and having little vegetation. |
| Atoll | Low-lying, ring-shaped island that surrounds a lagoon. |
| Phosphate | Mineral salt used in fertilizers. |
| Trust Territory | Area temporarily placed under control of another nation. |
| Crevasse | Deep crack in the Antarctic ice cap. |
| Ice Shelf | Layer of ice above water in Antarctica. |
| Iceberg | Chunk of a glacier that has broken away and floats free in the ocean. |
| Krill | Tiny, shrimplike animal that lives in the waters off Antarctica and is the food for many other creatures. |
| Ozone | Type of oxygen that forms a layer in the atmosphere and protects all living things on the earth from certain harmful rays of the sun. |