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Become a nitrogen atom in the nitrogen cycle in our Traveling Nitrogen Classroom Activity Kit/Game. See all our games, activity kits and classroom activities.

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Learn about Earth and space science, and have fun while doing it! The games section of our online store includes a climate change card game and the Traveling Nitrogen game!

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Traveling Nitrogen Classroom Activity Kit

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Bibliography Information

Thank you for visiting Windows to the Universe. Windows to the Universe has been in development since 1995. Over the years, there have been many writers of the pages on the site. Most pages have been worked...more

Please Support Windows to the Universe!

Donation, Sponsorship, Partnerships This image shows the lights on Earth as seen in darkness from a satellites orbiting our planet. Click on image for full size Image courtesy of NASA, DMSP, and NOAA NGDC....more

Regular Educator Memberships on Windows to the Universe

The Windows to the Universe team will be offering memberships for all educators by 1 September 2010 which will provide access to new website capabilities and services, as well as access to an ad-free version...more

Windows to the Universe Partnership Opportunities for Education and Outreach

Are you looking for an effective and efficient education and outreach program to supplement your research activities? Are you struggling to reach a significant audience of students, teachers, and the public?...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF