Several times a year, My NASA Data (MND) selects phenomena in each sphere to showcase NASA-related resources. MND is continuously updating new resources as we are improving our collections. Check back for new Earth System phenomena, related lesson plans, maps & data, and GLOBE resources. Don't forget to visit our Search for access to all resources.
Helping students build their understanding of Earth's spheres and how they are connected is difficult. Review the graphics below to help identify the parts of the Earth System and the processes that connect them at the local, regional, and global scales.
Ice, which covers 10 percent of Earth's surface, is disappearing rapidly. While the Arctic sea ice extent is declining, air temperatures are rising. Vegetation is changing, with tundra being replaced by shrubs. Permafrost is warming and thawing over parts of the Arctic.