The Atomic Bomb Ends
the War
August 1945
Objective
Investigate the decision to drop the
atomic bomb on Japan.
The Manhattan Project
Best kept secret of the war.
The scientific project to
create an Atomic weapon.
Truman did not know about the
project until he was
president.
???
What was the Manhattan
Project?
Invasion
The Allies knew that an
invasion of Japan would be a
desperate struggle.
Japanese do not
surrender, they
fight until the last
man.
???
Why did the allies think it
would be a desperate struggle
against Japan?
Truman’s Decision
FDR dies in office and
Harry S. Truman is his
vice president who takes
over.
Truman had to find a quick
way to end the war that had
already taken well over
200,000 American lives.
???
What was Truman looking for?
Toughest Decision
Invade Japan
and risk losing
thousands more
men.
War could drag
on another
year.
Japan refuses
to surrender
Drop a powerful
new bomb on
populous
cities.
Change the face
of warfare
forever.
Bring Japan to
its knees.
???
What could happen if Japan
refuses to surrender?
???
What could happen if the U.S.
drops the bomb?
Truman warns
Truman prompted the military
to prepare the bombs.
The day before he told Japan
to surrender completely or
face “prompt and utter
destruction.”
???
What did Truman warn?
Little Boy
On August 6, 1945. The Enola
Gay B-29 bomber carried the
atomic bomb, code named Little
Boy to Hiroshima.
In 43 seconds all of
Hiroshima and its people
were reduced to dust.
???
What was the first bomb named
and where was it dropped?
Still NO surrender!
Japan still refused to
surrender completely.
The U.S. military prepared
for the next bomb.
Fat Man
3 days after the first bomb the
second bomb, code named Fat Man
was dropped on Nagasaki.
City chose after the city
first intended was covered
with clouds.
???
What was the name of the
seconds bomb and where did it
hit?
Devastation
The 2 bombs instantly killed
200,000 people. Most of them
evaporated.
Many more deaths would come
over the years due to genetic
defects from radiation.
???
Why did many more deaths
occur many years later?
Quiz
 1. Which president had to make the decision to drop the bomb?
 What was the code name for the project to create an atomic
bomb?
 What are the names of the 2 bombs?
 What are the names of the cities that were chosen to be
bombed?
 What was the reason given for dropping the bombs?

Abomb

  • 1.
    The Atomic BombEnds the War August 1945
  • 2.
    Objective Investigate the decisionto drop the atomic bomb on Japan.
  • 3.
    The Manhattan Project Bestkept secret of the war. The scientific project to create an Atomic weapon. Truman did not know about the project until he was president.
  • 5.
    ??? What was theManhattan Project?
  • 6.
    Invasion The Allies knewthat an invasion of Japan would be a desperate struggle. Japanese do not surrender, they fight until the last man.
  • 7.
    ??? Why did theallies think it would be a desperate struggle against Japan?
  • 8.
    Truman’s Decision FDR diesin office and Harry S. Truman is his vice president who takes over. Truman had to find a quick way to end the war that had already taken well over 200,000 American lives.
  • 9.
  • 10.
    Toughest Decision Invade Japan andrisk losing thousands more men. War could drag on another year. Japan refuses to surrender Drop a powerful new bomb on populous cities. Change the face of warfare forever. Bring Japan to its knees.
  • 11.
    ??? What could happenif Japan refuses to surrender?
  • 12.
    ??? What could happenif the U.S. drops the bomb?
  • 13.
    Truman warns Truman promptedthe military to prepare the bombs. The day before he told Japan to surrender completely or face “prompt and utter destruction.”
  • 14.
  • 16.
    Little Boy On August6, 1945. The Enola Gay B-29 bomber carried the atomic bomb, code named Little Boy to Hiroshima. In 43 seconds all of Hiroshima and its people were reduced to dust.
  • 17.
    ??? What was thefirst bomb named and where was it dropped?
  • 21.
    Still NO surrender! Japanstill refused to surrender completely. The U.S. military prepared for the next bomb.
  • 22.
    Fat Man 3 daysafter the first bomb the second bomb, code named Fat Man was dropped on Nagasaki. City chose after the city first intended was covered with clouds.
  • 23.
    ??? What was thename of the seconds bomb and where did it hit?
  • 27.
    Devastation The 2 bombsinstantly killed 200,000 people. Most of them evaporated. Many more deaths would come over the years due to genetic defects from radiation.
  • 28.
    ??? Why did manymore deaths occur many years later?
  • 29.
    Quiz  1. Whichpresident had to make the decision to drop the bomb?  What was the code name for the project to create an atomic bomb?  What are the names of the 2 bombs?  What are the names of the cities that were chosen to be bombed?  What was the reason given for dropping the bombs?