The purpose of the resource is to investigate changes in the major land cover types of Study Sites by examining Landsat satellite images acquired years apart. Full description.

The purpose of this resource is to select 15 km x 15 km Land Cover Sample Sites. Full description.

The purpose of the resource is to produce a land cover type map from the digital file of a Landsat satellite image using MultiSpec software. Full description.

The purpose of this resource is to measure and classify the plant life at a Land Cover Site to help determine the MUC classification. Full description.

The purpose of the resource is to produce a land cover type map from hard copies of Landsat satellite images. Full description.

The purpose of this resource is to familiarize students with the importance of perspective and various scales of remotely sensed data. Students create a 3-D model of an area and develop a classification system for the landforms in their model. The maps can then be used to answer certain questions about the environment. Full description.

The purpose of this resource is to help students understand the connection between remote sensing, computer imagery, and land cover assessment. Students translate their maps created in the beginning activity into digital code and exchange the digitized versions of their maps with students in another school. Full description.

The purpose of this resource is to investigate the center pixel of a homogeneous land Cover Site in order to understand that individual land areas are part of a larger land system. Full description.

The Gulf of Maine Aquarium hosts this two-part activity. The focus is on seasonal changes in the mass balance of the Antarctic Ice Sheet. Part 1 uses an atlas and satellite imagery to examine the geography of the region and the changing boundaries of the ice sheet. Part 2 tracks annual changes in sea ice. There is an animation page showing changes in ice cover around Antarctica during 1991, and links ... Full description.

This lesson is one in a series that brings the important stories of historic places into the classrooms across the country. It could be used in units on the early industrial period of American history and in courses on geography or science and technology. It will help students realize the role canals played in western expansion and in the evolution of transportation by focusing on the construction ... Full description.