| A | B |
| Geographic Information Systems | computer hardware and software that gather, store, and analyze geographic information and then display it on a screen |
| Global Positioning System | a group of satellites that use radio signals to determine the exact location of places on Earth |
| absolute location | the exact spot on Earth where a geographic feature (such as a city or mountain) is found |
| century | a period of 100 years |
| decade | a period of 10 years |
| environment | natural surroundings |
| geography | the study of the Earth and its people |
| millenium | a period of 1000 years |
| relative location | describes where that feature is in relationship to the features around it |