| A | B |
| hyperactive | Excessively or abnormally active. |
| hypersensitive | Excessively sensitive. |
| hyperbole | An exaggerated statement that is not meant to be taken literally. |
| estuary | An area where fresh and salt water mix. |
| exponential | Containing, involving, or expressed as an exponent. |
| fahrenheit | A temperature scale that registers the freezing point of water as 32 degrees F and the boiling point as 212 degrees F. |
| geology | The scientific study of the origin, history and structure of the earth. |
| pelagic | Living in the open ocean. |
| saline | Containing salt. |
| microcosm | A world in miniature; something that resembles something else on a very small scale. |
| cosmopolitan | Of or from many parts of the world, containing people from many countries. |
| microstate | A small country, usually recently independent |