Website
Other

Us Department of Energy: The Manhattan Project

For Students 9th - 10th
In a short two paragraph entry, the general history of the Manhattan Project is described. There are two links to picture of nuclear reactor and nuclear fuel.
Article
Other

World Nuclear Association: Outline History of Nuclear Energy

For Students 9th - 10th
Discusses the nature of the atom, harnessing nuclear fission, conceiving the atomic bomb, the Manhattan Project, and the revival of the nuclear boiler.
Primary
US Army Center

U.s. Army Center of Military History: The Decision to Use the Atomic Bomb

For Students 9th - 10th
In-depth analysis of the decision to create and drop the atomic bomb on Japan during World War II. Includes details on the Interim Committee.
Website
Other

Beyond Mannahatta: The Welikia Project

For Students 9th - 10th
The Welikia Project examined what the landscape of New York City looked like in 1609. Use the map to explore the city then and compare it to today. Provides a collection of thirteen lessons for upper elementary but which can be adapted...