Delve into the past to understand the opposition to the Manhattan Project. An interesting activity is designed to be completed in pairs, groups, or individually. Scholars analyze historical documents, complete an online worksheet, and...

For this online interactive history worksheet, students respond to 10 short answer and essay questions about the accomplishments of J. Robert Oppenheimer. Students may check some of their answers on the interactive worksheet.

In this online interactive history worksheet, students respond to 10 matching questions regarding the presidency of Eisenhower and New Modern Republicanism. Students may check their answers immediately

In this "Deep Impact" quiz activity, students answer a set of multiple choice questions about the film. Students may click on an "answer button for immediate feedback.

In this online interactive American history worksheet, students answer 18 fill in the blank questions regarding the Richard Nixon presidency. Students may submit their answers to be scored.

Interactive tool that in terrifying detail lets you see the impact a nuclear bomb blast would have anywhere in the world, including in your neighborhood. Learn what you can do about it.

Explore the role of espionage in wartime and investigate Soviet spy activities during the Cold War. Trace the history of the atomic bomb and explore Soviet activities in stealing nuclear secrets during the Manhattan Project.