[Free Registration/Login Required] How necessary was it for the United States to drop the atomic bombs on Nagasaki and Hiroshima in World War II? In this instructional activity, learners will study varying accounts and develop their own...

A firsthand account by a survivor who was a German priest at a Jesuit church located about 3 miles from Hiroshima. His story covers both the blast and the aftermath and gives valuable primary source details about the bombing.

Kids learn about the history of the Atomic Bomb during World War II. Dropped on Hiroshima and Nagasaki of Japan to end WW2.

Discussion of the effects of the atomic bomb on Hiroshima and the end of World War II.

This site has information about the atomic bomb which was dropped on Hiroshima. Pictures of Hiroshima after the bomb and the mushroom cloud are included.

This article from the Seattle Times describes the dawning of the atomic age. Illustrates the events of the detonation of the first atomic bomb in Trinity, New Mexico, just before the Hiroshima bomb.

This site gives a great overview of the early Cold War under President Truman. Describes relations with the Soviet Union, the atomic bomb, actions in western Europe, and the Korean War. A great piece that gives the reader a fantastic...

A is for 4 A-Bomb was written and illustrated by a sophomore student at West Platte High School. The student created this project as part of a world history investigation on the atomic bomb. After researching the impact of the bombs and...

Credited with the creation of the atomic bomb, Robert Oppenheimer opposed the development of the hydrogen bomb. Read about Oppenheimer's education and involvement in the atomic explosions, which "changed the world forever."

This site from PBS provides biographical information about J. Robert Oppenheimer, and his involvement with the atomic bomb.

This site provides many weblinks to Hiroshima, Japan. The focus is on sites related to the atomic bombing, but many other Hiroshima sites are also included.

Originally published on July 16, 1945, this is a dramatic account of the government's testing of their latest, most powerful weapon, the atomic bomb. Describes the emotions of scientists and war officials before, during and after...

This is an online study guide/notes for the non-fiction book Hiroshima by John Hersey including author information, literary elements, chapter-by-chapter summaries/notes, study questions, and analysis. The book tells the stories of six...

A wonderful PBS biography of a great man. This contains many personal touches, yet does a fine job of describing Bohr's scientific work. But it's best at Bohr the man. Nice quotes, one in the middle, one at the end.

This resource describes the world's first nuclear reactor and the role which it played in the Manhattan Project. Also discussed are topics such as the goal of plutonium development for nuclear weapons, the goals of the top-secret,...

From the Science Odyssey section of the PBS web site. The work of Enrico Fermi in the development of a sustainable, yet controllable nuclear fission reaction is described. The efforts of Fermi's team at the University of Chicago are...

Biography provides interesting facts about the thirty-third president of the United States, Harry S. Truman. A black and white photograph is included.

This site provides a great series on the neutron discovered by James Chadwick. Includes a seven-page series that covers what is inside the nucleus, the elusive neutron, beryllium radiation, Chadwick's discovery, neutrons from beryllium,...