| A | B |
| geology | science that deals with the earth's history in rocks |
| geometry | math that deals with the measurement of the earth |
| terrace | a level platform of earth |
| subterranean | lying under the surface of the earth |
| geode | an earth-shaped stone with crystals inside |
| inter | to bury in the earth |
| geography | science that records facts about the earth's surface |
| Mediterranean | sea located in the middle region of the earth |
| geocentric | taking the earth as its center |
| terrain | physical features of a region of the earth |
| terra firma | solid ground |