Front

What is the atomic bomb?

Back

A weapon that uses nuclear reactions to create an explosion of immense power.

Front

What is nuclear fission?

Back

The process of splitting an atomic nucleus to release energy, which is the principle behind atomic bombs.

Front

Who was Otto Hahn?

Back

A German physicist who discovered nuclear fission.

Front

What role did Albert Einstein play in the development of the atomic bomb?

Back

He wrote a letter to President Roosevelt urging the development of atomic research.

Front

Why did the United States and the Soviet Union not share information about the atomic bomb?

Back

They didn't want the other country to have the power of the atomic bomb.

Front

What was the significance of Harry Gold's actions?

Back

He destroyed evidence of his espionage activities related to atomic bomb secrets.

Front

What motivated Harry Gold to confess to being a spy?

Back

He didn't want to disappoint his friends and family.

Front

What is the Manhattan Project?

Back

A secret U.S. project during World War II aimed at developing the atomic bomb.

Front

What is espionage?

Back

The act of spying or using spies to obtain secret information.

Front

What was the purpose of Einstein's letter to Roosevelt?

Back

To alert the U.S. government about the potential for Nazi Germany to develop atomic weapons.