| A | B |
| bay | any wide indentation of land by water |
| biodiversity | the number of species present in a given ecosystem |
| census | an investigation or count of a population. Usually conducted every 10 years |
| capital | the city that houses the headquarters of a country's government |
| capitol | refers to the building where the branches of government meet |
| hurricane | a tropical storm that contains damaging winds of at least 74 mph |
| creek | a body of water that flows with gravity; larger than a brook but smaller than a river |
| epicenter | the point on the earth's surface where the energy of an earthquake is first released |
| erosion | forces that shape the earth's surface, includes wind, water and ice |
| fauna | animal life |
| flora | plant life |
| chokepoint | a narrow water passageway between two bodies of water |