| Pikes Peak | | group of mountain ranges and systems |
| Eruasian Melanesian | | a group of mountains |
| Everest | | highest mountain in Africa |
| Circum Pacific | | a group of mountain ranges in one area |
| Rainier | | highest mountain in the world |
| Vesuvius | | recent active volcano in the US |
| St Helens | | mountain belt that runs across northern Africa, Southern Europe |
| mountains | | highest mountain in California |
| Elbert | | natural landforms that reach high elevations |
| Whitney | | the mountain belt that goes through the Pacific Ocean |
| Mitchell | | probably the most famous mountain in the Rockies |
| magma | | highest mountain in Washington |
| mountain system | | highest mountain in the Appalachians |
| Mont Blanc | | one of the possible sources of mountains |
| Kilimanjaro | | one possible explanation for the formation of mountains |
| mountain belt | | highest mountain of the Rockies |
| mountain range | | highest mountain in the Alps |
| folding | | second highest mountain in the world |
| K2 | | only active volcano on the mainland of Europe |