| Cryosphere Polar Ice @ NASA's Earth Observatory
Polar ice consists of sea ice formed from the freezing of sea water, and ice sheets and glaciers formed from the accumulation and compaction of falling snow. Both types of ice extend over vast areas of the polar regions.
For Grades: 9-12 Sea Ice in the Polar Regions
A tool used by students to learn about sea ice classification, observation, and climate impacts.
For Grades: 9-12 The State of the Cryosphere @ National Snow and Ice Data Center (NSIDC)
NSIDC's State of the Cryosphere provides an overview of the status of snow and ice as indicators of climate change.
For Grades: 9-12 Arctic Climatology and Meteorology Primer @ National Snow and Ice Data Center
NSIDC's Arctic Climatology and Meteorology PRIMER for Newcomers to the North is a collection of interesting and informative meteorology and climate facts with particular emphasis on arctic phenomena.
For Grades: 9-12 The Arctic Observatory
The Arctic Observatory is a proof-of-concept multimedia science tool designed to enable students to investigate Arctic processes.
For Grades: 9-12 Snow and Ice Facts @ National Snow and Ice Data Center
For Grades: 7-12 All About Glaciers @ National Snow and Ice Data Center
All About Glaciers explores nearly all aspects of glaciers, like questions and answers, quick facts, a glossary and a gallery, and much more, including a bibliography and links.
For Grades: 9-12 Glacier Power @ University of Alaska
Glacier Powers, a curriculum supplement module, introduces students to the study of glaciers through an exciting and interactive series of lessons.
For Grades: 4-6 Glacier @ Rice University
A website all about Antarctica and the part Antarctica plays in our global system of weather and climate and oceans and geology. Teachers are asked under the Curriculum in Your Classroom section to field test the activities.
For Grades: 7-12 | 
