| A | B |
| cirro | word-part meaning high level and whisky |
| alto | word-part meaning mid level |
| strato | word-part meaning low level or flat/layered |
| cumulo | word-part meaning puffy |
| nimbo | word-part meaning rain/storm |
| cumulonimbus | A very tall cloud that produces dangerous thunderstorms. |
| cirrus | high level clouds made of ice crystals. |
| cumulus | puffy, white clouds that do not produce precipitation. |
| low level | level where clouds are made of water droplets. |
| mid level | level where clouds are made of some ice. |
| high level | level where clouds are made of ice crystals. |
| condensation nucleui | Tiny particles in the atmosphere around which water condenses. |
| fog | A cloud that forms on the earth's surface. |