| A | B |
| Continent | One of the 7 large landmasses. |
| Ocean | A large body of water. |
| River | A moving body of water that travels upstream and downstream on a landmass. |
| Island | An area of land surrounded by water. |
| Peninsula | An area of land surrounded on three sides by water. |
| Delta | An area at the mouth of a river that has land and water. |
| Geography | The study of the earth and how humans interact with it. |
| History | The study of humans and how they have evolved over time. |
| Human/Environmental Interaction | The ongoing relationship between humans and their surrounding; this interaction is two-way, humans affect the environment and the environment affects the way in which humans live. |
| Pre-history | The time of human history before writing was used to record events that occurred. |