| A | B |
| Cumulus | A cloud that is in a "pile" or an "accumulation" high in the sky. |
| Stratus | A cloud that is "spread out", or "flattened". |
| Nimbus | A cloud that means rain is near. |
| Cirrus | Clouds that consist of long, thin, wispy streamers, and are the most common clouds. |
| Cirrostratus | Sheetlike, thin clouds, that cover the entire sky. |
| Cirrocumulus | Small, rounded, and puffy clouds that appear in long rows. |
| Altostratus | A cloud that usually covers the whole sky. |
| Altocumulus | These clouds have one part darker than the other and form in groups. |
| Nimbostratus | Rain or snow is associated with this cloud due to its dark gray base color. |
| Cumulonimbus | These are known as the thunderstorm clouds. Associated with heavy rain, snow, hail, lightning, and tornadoes. |