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1920s urbanization and immigration
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By the 1920s, a majority of the US population lived in cities rather than in rural areas. In this video, Kim explores the economic opportunities cities offered to women, migrants, and immigrants, as well as the passage of new immigration restrictions.

Subject:
American History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Kim Kutz
Date Added:
07/07/2022
1941 Axis momentum accelerates in WW2
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In 1941, the Axis gains further momentum with control of most of Continential Europe. Hitler decides to break pact and invade Stalin's Soviet Union. United States enters World War II after Japanese attack on Pearl Harbor.

Subject:
American History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
1941 Axis momentum accelerates in WW2
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In 1941, the Axis gains further momentum with control of most of Continential Europe. Hitler decides to break pact and invade Stalin's Soviet Union. United States enters World War II after Japanese attack on Pearl Harbor.

Subject:
World History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
1943 Axis losing in Europe
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In 1943, the tide really turns in favor of the Allies in World War II. They are able to push the Axis out of N.Africa and force a surrender from Italy (along with Mussolini being deposed). The Soviets are able to start pushing the Axis out of the Soviet Union.

Subject:
American History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
1943 Axis losing in Europe
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Rating

In 1943, the tide really turns in favor of the Allies in World War II. They are able to push the Axis out of N.Africa and force a surrender from Italy (along with Mussolini being deposed). The Soviets are able to start pushing the Axis out of the Soviet Union.

Subject:
World History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
1944 - Allies advance further in Europe
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As we go into 1944, we see the allies land at Normandy, liberate France and face Germany in their last major counteroffensive at the Battle of the Bulge. On the Eastern Front, the Soviets end Siege of Leningrad and begin to push through Poland and Romania. In the south, Allies land in southern France and take Rome.

Subject:
American History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
1944 - Allies advance further in Europe
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Rating

As we go into 1944, we see the allies land at Normandy, liberate France and face Germany in their last major counteroffensive at the Battle of the Bulge. On the Eastern Front, the Soviets end Siege of Leningrad and begin to push through Poland and Romania. In the south, Allies land in southern France and take Rome.

Subject:
World History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
1945 - End of World War II
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1945 marks the end of World War II. V-E Day (Victory in Europe Day) is May 8th 1945. War doesn't end in the Pacific until August of 1945 with the atomic bombing of Hiroshima and Nagasaki.

Subject:
American History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
1945 - End of World War II
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1945 marks the end of World War II. V-E Day (Victory in Europe Day) is May 8th 1945. War doesn't end in the Pacific until August of 1945 with the atomic bombing of Hiroshima and Nagasaki.

Subject:
World History
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
07/07/2022
3rd graders build robots at Santa Rita Elementary School
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Mrs. Rowhani's third graders learn about matter and energy by building a Spout bot with Khan Academy. Special thanks to: Santa Rita's volunteer parents, Kami Thordarson, Karen Wilson and of course Laleh Rowhani the class teacher. Created by Karl Wendt.

Subject:
Scientific and Engineering Practices
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Karl Wendt
Date Added:
02/18/2013
5 volt power distribution board
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In this video we hack apart a bread board to create a 5 volt power distribution strip. The 5 volts comes from the center pin in the motor controller and the negative or ground comes from the ground pin on the motor controller. Created by Karl Wendt.

Subject:
Scientific and Engineering Practices
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Karl Wendt
Date Added:
10/08/2012
6th graders learn to build a Spider robot
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Vicki Lombardi's 6th grade students at Santa Rita Elementary in Los Altos School district learn how to build a Spider robot. Read more at: http://lasdilearn.blogspot.com/2013/02/third-graders-building-robots-mission.html. Created by Karl Wendt.

Subject:
Scientific and Engineering Practices
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Karl Wendt
Date Added:
03/28/2013
AC analysis intro 1
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Solving circuits with differential equations is hard. If we limit ourselves to sinusoidal input signals, a whole new method of AC analysis emerges. Created by Willy McAllister.

Subject:
Scientific and Engineering Practices
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Willy McMaster
Date Added:
07/31/2016
AC analysis superposition
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We break a sinusoidal input voltage into two complex exponentials. Using superposition, we can recover the complex output signals and reassemble them into a real sinusoidal output voltage. Created by Willy McAllister.

Subject:
Scientific and Engineering Practices
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Willy McMaster
Date Added:
08/03/2016