The Earth is constantly changing. Some of this change occurs slowly over many millennia, and some occurs relatively rapidly over the decades. Major natural forces cause such changes as volcanoes, continental shifts, building and erosion of mountains, reorganization of oceans, appearance and disappearance of deserts and marshlands, advances and retreats of great ice sheets, rise and fall of sea and lake levels, and the evolution and extinction of vast numbers of species.
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Featured Interactives
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Grade Level: 3-5, 6-8
Students will explore the Nitrogen Cycle by modeling the movement of a nitrogen atom as it passes through the cycle. Students will stop in the different reservoirs along the way, answering questions about the processes that brought them to the different reservoirs.
Grade Level: 6-8
Scientific data are often represented by assigning ranges of numbers to specific colors. The colors are then used to make false color images which allow us to see patterns more easily. Students will make a false-color image using a set of numbers.
Grade Level: 9-12
Information from satellites if often used to display information about objects. This information can include how things appear, as well as their contents. Explore how pixel data sequences can be used to create an image and interpret it.
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Grade Level: 3-5,
6-8
Students will explore the Nitrogen Cycle by modeling the movement of a nitrogen atom as it passes through the cycle. Students will stop in the different reservoirs along the way, answering questions about the processes that brought them to the different reservoirs.
Grade Level: 6-8
Scientific data are often represented by assigning ranges of numbers to specific colors. The colors are then used to make false color images which allow us to see patterns more easily. Students will make a false-color image using a set of numbers.
Grade Level: 9-12
Information from satellites if often used to display information about objects. This information can include how things appear, as well as their contents. Explore how pixel data sequences can be used to create an image and interpret it.
Land Surface landing page. Explore maps, graphs, data, and related education resources. These resources include lesson plans, mini lessons, activities, and datasets for teachers and students.