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Other

Union of Concerned Scientists: Science for a Healthy Planet and Safer World

For Students 9th - 10th
The official website for Union of Concerned Scientists provides information on environmental issues and suggestions on actions people can take to curb environmental harm.
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National Academies of Sciences, Engineering, and Medicine

The National Academies: Our Energy Sources

For Students 9th - 10th
The many sources of energy production in the United States are described in this overview. Included are traditional sources, renewable sources, and new energy production technologies.
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American Association of Physics Teachers

Com Padre Digital Library: Physics to Go: Explore Physics on Your Own

For Students 9th - 10th
Contains a full physics curriculum with links to games, webcasts, and activities. By creating a free account, students and teachers can create their own personal collection of resources.
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US Department of Energy

U.s. Department of Energy: Energy Sources: Solar

For Students 9th - 10th
The U.S. Department of Energy provides links pertaining to solar energy. Understand the current technologies and issues with this resource.