| A | B |
| Oceans | big bodies of water |
| lakes | bodies of water surrounded by land |
| rivers | long, flowing bodies of water that connect to lakes, oceans, or other rivers |
| mountains | very tall landforms |
| hills | high land forms but they are shorter than mountains |
| valleys | low land areas between mountains |
| islands | land that is completely surrounded by water |
| deserts | dry land with lots of sand |
| archipelago | a chain of islands |
| atoll | circular coral reef that forms atop a volcanic cone |
| butte | tall, steep hill with a flat top |
| peninsula | land that is surrounded by water on three sides |
| monsoon | giant rain storm caused by seasonal shifts in wind |
| tsunami | giant wave caused by an underwater earthquake |
| Atlantic ocean | has hurricanes |
| Pacific ocean | largest ocean |
| Indian ocean | has monsoons |
| Arctic ocean | has ice packs |
| Southern ocean | newest ocean |
| landforms | natural physical features of the earth's surface |