| A | B |
| cryosphere | Regions of the globe, land and sea that are permanently or seasonally covered by ice and snow. |
| precipitation | water droplets falling from atmospheric water vapor |
| types of precipitation | rain, sleet, snow or hail |
| solar day | The period between two successive passages of the sun through its highest point. |
| temperature | The degree of hotness or coldness of the environment. |
| Where the land ice is thicker. | Antarctica |
| Where the sea ice is thicker. | Arctic |
| The length of a polar winter at the poles. | 6 months |
| Lowest temperature ever recorded at the South Pole | -89 degrees Celsius (-129 degrees Fahrenheit) |
| What can be as dry as a desert? | Polar climates. |
| At the poles, the sun's rays reach the earth at what angle? | 23 1/2 degrees |
| At the equator, the sun's rays reach the earth at what angle? | 66 1/2 degrees |
| What reflects the sun back into space causing the poles to be even colder? | The permanent snow fields and large amounts of sea ice. |