The Manhattan Project

The Manhattan Project
you will learn...

• Why was the Manhattan Project created?

• How was the Manhattan Project created?

• Where did they test the bomb and why?

• Where did the U.S use the bomb?

• Why was the Manhattan Project kept a secret?

When U.S president Franklin D. Roosevelt got a letter from the most famous scientists Albert Einstein, he warned the president about the Nazis trying to create a atomic bomb that could destroy a city.

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Why was the Manhattan Project created?

Multiple Choice

Who warned President Franklin D. Roosevelt about the atomic bomb that the Nazis were trying to create?

• Albert Einstein

• Thomas Edison

• Marie Curie

Multiple Choice

Who was the President of the U.S when ordered the atomic bomb to be built before the Nazis?

• Franklin D. Rossevelt

• Franklin D. Roosevelt

• Harry S. Truman

Franklin D. Roosevelt gather scientists from all over the United States to help build the bomb. The leader of the project was Leslie Groves. He was a major general in the U.S army Corps of Engineers.

​Who lead the Manhattan Project?

How was Manhattan Project created?

Multiple Choice

Who was the general of the U.S Corps of Engineers?

• Lesie Groves

• Leslie Groves

​Oppenheimer was often called the " Father of the Atomic Bomb". He was the Main scientists who created the bomb.

​​J. Robert Oppenheimer

Leo conceived the nuclear chain reaction. During his career, he made numerous discoveries in nuclear physics.

​​Leo Szilard

​ Enrico was famous for creating the world's first artificial nuclear reactor. He had been called " The Architect of the Nuclear Age".

​​Enrico Fermi

Main Scientists of the Manhattan Project

Multiple Choice

Who was called the "Father of the Atomic Bomb"?

• J. Robert Oppenheimer

• Leo Szilard

• Enrico Fermi

Multiple Choice

Who was called "The Architect of the Nuclear Age"?

• Enrico Fermi
• Niels Bohr
• Albert Einstein
• J. Robert Oppenheimer

Where did they Test the Atomic Bomb and why?

They tested the atomic bomb at Alamogordo Bombing Range in New Mexico. The site code-named "Trinity" by J. Robert Oppenheimer, it was chosen for its isolation and flat terrain. This site is only one hour away from the city of Albuquerque, only open two times for tourist and visitors.

Where did the U.S use the bomb?

Harry S. Truman became president after Franklin Roosevelt had died. World War ll had ended, The allies had won after six years of battling , and everything was in its place. He learned about the Manhattan Project. He had ordered the bomb to be dropped on two Japanese cities in Japan, Hiroshima and Nagasaki.

Multiple Choice

Who became president after Franklin Roosevelt died?

• John F. Kennedy
• Harry S. Truman
• Dwight D. Eisenhower
• Lyndon B. Johnson

Multiple Choice

What was the real name for the Trinity Site?

• Los Alamos Laboratory
• Alamogordo Bombing Range
• White Sands Missile Range
• Sandia National Laboratories

The Manhattan project was kept a secret to prevent Germany and Japan from discovering the project and developing their own atomic bombs, as well as keeping the Soviet union from learning about it. The U.S also kept track of mail going out to new Mexico, just in case someone was giving information to germany.

Why was the manhattan project kept secret?

Multiple Select

What are two main reasons why the Manhattan project was kept secret?

• To ensure public support for the project
• To prevent enemy nations from gaining knowledge

• To promote international collaboration in science
• to protect sensitive scientific information

Open Ended

What did you learn? Write 3 sentences.