With three levels to choose from on each page - beginner, intermediate or advanced - this site provides a good introduction to the structure of the ocean. Included are excellent graphics and text about patterns of ocean salinity and temperature with depth, as well as surface currents, deep ocean circulation and even the water cycle. Extensive in-text links provide the means for users to explore the ... Full description.

This product illustrates how scientists learn about the composition of an asteroid by studying energy and neutrons that emanate from it. The Dawn spacecraft contains three instruments -- the Gamma Ray and Neutro Detector (GRaND), the Visible Infrared Spectrometer, and the Framing Camera -- that will provide answers to questions about the formation and evolution of the early solar system. Full description.

This is version 3 of the space Weather Media Viewer, created to work with the space Weather Action Center to see near-real time data and to provide additional images and resources available for educational use. It features easy downloads that can also be added to news reports and space weather reports. It was designed for ease in adding any media (videos, images) data. Full description.

This CD-ROM provides a detailed overview of the NASA CloudSat satellite, its mission, personnel, other satellites in the "A-Train," science and technology behind the mission, launch information, and program partners. It also contains educational activities, artwork, references and a glossary, as well as links to further information. Included are video clips of CloudSat scientists and other mission ... Full description.

This poster, one in a four-part series, highlights recent images from select NASA Earth Science spacecraft and showcases related research results. The back gives a brief overview of the science and missions behind NASA's study of ICE. Full description.

This poster, one in a four-part series, highlights recent images from select NASA Earth Science spacecraft and showcases related research results. The back gives a brief overview of the science and missions behind NASA's study of LAND. Full description.

This poster includes activities using NASA satellite imagery from 2007 to guide students in understanding global patterns and connections related to the following topics: insolation, surface temperature, cloud fraction, rainfall, aerosols, and biosphere. The associated learning activities help students identifying connections between these components and identify global patterns. Full description.

This poster depicts how NASA scientists are working to understand the outer atmosphere (air). Satellite images, graphs, and pictures complement the fact-filled information. The poster can be ordered from the Web site; this site also includes PowerPoint and PDF files with the poster information. Full description.

This tutorial traces the history of the telescope, beginning with Galileo's first small refractor, to the era of orbiting space telescopes. Topics include Galileo's trouble with the church over the observations he made with his new instrument, Sir Isaac Newton's invention of the reflecting telescope, and the development of technologies that made it possible to construct increasingly larger, more powerful ... Full description.

Elementary GLOBE is designed to introduce students of grades K-4 to the study of Earth System Science (ESS). Elementary GLOBE forms an instructional unit comprised of five modules that address ESS and interrelated subjects including weather, hydrology, phenology, and soils. Each Elementary GLOBE module contains a science-based storybook and classroom learning activities. Five (5) books are included ... Full description.