Describes the successes of the Axis Powers as they expand their reach across Europe, Hitler's decision to invade the Soviet Union, and the entry of the United States into the war after Pearl Harbor is attacked. [12:12]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

1942 saw the Allies beginning to gain the upper hand against the Axis in North Africa, and the Germans began to struggle in the Soviet Union. [5:12]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Discusses the events of 1945 as the Allies advanced in Europe, forced Germany's surrender, made preparations for what would happen at the end of the war. Meanwhile, the fight against Japan continued until the dropping of the atomic bombs there. [8:04]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Learn about the impact of the Civil Rights Act of 1964, often considered one of the most influential laws in U.S. history, that created a new America.

Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. [4:32]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Learn how to solve equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions. [7:51]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

From the 2015 AP Chemistry test free response 2d and 2e, a tutorial on Lewis electron-dot diagram and bond angles for ethanol. [6:20]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Calculating the necessary energy to recycle aluminum from aluminum oxide which was a question on the 2015 AP Chemistry exam. [6:16]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Hear about different models of 21st century learning skills from experts in the education field. Chris Rush from New Classrooms, Teresa Napoli from School of One and Rebecca Rufo-Tepper from the Institute of Play discuss the emergence of new approaches to learning, such as personalized and game-based learning. [5:37]

Explore the apparent movement of the Sun along the horizon as it sets at different time of the year in this time-lapse video [1:31] from WGBH. The video helps students analyze and describe regular patterns of the Sun's position in the sky over time and compare the Sun's position at different times of the year. Support materials include: Background Reading, Teaching Tips, and Discussion Questions.

Remember the five themes of geography (location, region, movement, place, human environment and interaction) with this simple video tutorial [1:28]

The Bill of Rights contains positive and negative rights. The right to bear arms that is in the Second Amendment is considered to be a negative right.

This podcast discusses how citizens can influence the executive branch. This episode originally aired in October 2011.

Do you have any fundamental rights - rights that cannot be violated by government? Find out who has fundamental rights and the role democracy has with those rights on today's podcast. [1:06]

Can people of varying ethnic, religious, and national identities ever form one political people based on a common civic identity? Find out on today's podcast. [1:17]

What is popular sovereignty? Is government the master of the people, or is it the other way around? Find out on today's podcast. [1:03]

On the podcast today, we learn about the rise of capitalism and when it began. [1:22]

Learn about popular sovereignty, a foundational component to democracy, and the consent of the governed on today's podcast. [1:05]

Today we begin our discussion of the Renaissance and how it contributed to ideas about rights. [1:19]