| A | B |
|---|
| de- | prefix that means away from or opposite of |
| extra- | prefix that means outside or outside of |
| geo (root) | Greek root for Earth |
| geography | science of the Earth and its features |
| terra (root) | Latin root for Earth or land |
| terrain | an area of land, including its physical features |
| territory | land and waters belonging to someone |
| extraterrestrial | located outside of Earth or its atmosphere or a life form outside of Earth |
| hydr (root) | Greek word meaning water |
| hydrogen | a gas that combines with oxygen to form water |
| hydrant | an upright pipe that draws water for fighting fires |
| hydrate | to take up water |
| dehydrate | to lose or remove water |
| aqua (root) | Latin root for water |
| aquarium | a bowl or tank filled with water for keeping fish |
| aquamarine | a light bluish-green color |
| geometry | type of math dealing withh measurement of lines, points, and shapes |
