| A | B |
| Lake Baikal | Eurasian Lake located in Siberia; the deepest lake in the world |
| Caspian Sea | Eurasian Lake bordering Azerbaijan, Kazakhstan, Turkmenistan, and Iran; contains salt water; site of some of world's largest oil deposits |
| Aral Sea | Eurasian salt lake located in Kazakhstan and Uzbekistan; |
| Pearl of Siberia | nickname for Lake Baikal |
| optical illusion | "trick of the eyes" - for example, Lake Baikal is so clear that things look closer to the surfact than they really are |
| "sacred lake" or "sacred water" | Lake Baikal |
| salt lake | forned when water evaporates mire quickly than rivers can bring new water |
| shrinking lake | the volume of the Aral Sea has decreased by 75% over the past few decades |
| Eurasia | landform that contains countries in both Europe and Asia |