This is the preface to an AP Physics online textbook; it highlights what is covered in the course. Teaching materials are available. An OpenStax Open-Education-Resource.

The study resource from Khan Academy provides an overview of Period 7: 1890-1945 in American History. The Age of Empire is discussed in this lesson. This resource is designed as a review for the AP US History Test.

This practice exercise from Khan Academy covers Period 7: 1890-1945 in American History. The imperialism debates are reviewed in this resource. This resource is designed as a review for the AP US History Test.

The study resource from Khan Academy provides an overview of Period 6: 1865-1898 in American History. Laissez-faire during the Gilded Age is discussed in this lesson. This resource is designed as a review for the AP US History Test.

Learning module introducing AP World History to students and providing them with an outline of course expectations.

Learning module contains AP Government and Politics exam review. Provides guidelines and strategies along with practice resources for exam preparation.

This is a list of 40 problems/exercises to solve covering the content of Chapter 9: Statics and Torque from the AP Physics online text.

AP European History learning module on the Renaissance.

Learning module in AP European History on the Reformation.

AP European History learning module on the Enlightenment.

AP European History learning module on the Industrial Revolution.

AP World History learning module on the Post Classical World covers Byzantine Empire, Middle Ages, & Meso-American Societies.

AP U.S. History unit on post-World War II and the Cold War. Comprehensive multi-media lessons, activities and assessment.

For the 2016 AP US History exam, the College Board is using a new exam format for AP European History, including a brand new Document-Based Question (DBQ) format devised to make all AP history scoring consistent. This is intended to...

This Khan Academy resource provides a table of contents with notes for several sections of AP US History: Period 9: 1980-present.

In this AP Macroeconomics lesson summary from Khan Academy reviews and reminds about the key terms, graphs, and calculations used in analyzing comparative advantage and the gains from trade. Key concepts include how to determine...

Take this thirty-question challenge that tests your understanding over AP/College US History.

This page features a summary of each section of Chapter 6: Uniform Circular Motion and Gravitation from the AP Physics online text.

This page provides a summary of each section of Chapter 11: Fluid Statics from the AP Physics online text.

Tom Richey's course module offers AP U.S. Government curriculum unit materias, lecture notes, video and PowerPoint presentation on Campaigns and Elections from which students learn about political beliefs and behaviors as well as...

Tom Richey's AP U.S. Government class component on the Federal Judiciary teaches about Civil Rights and Civil Liberties in this module. Includes downloadable unit materials, lecture notes and PowerPoint presentations.

This unit practice test from Khan Academy covers Period 6: 1865-1898 in American History. Western expansion, the Gilded Age, and the "New South" are components of this unit test. This resource is designed as a review for the AP US...

By the end of this section, you will be able to do the following: Define position, displacement, distance, and distance traveled in a particular frame of reference; Explain the relationship between position and displacement; Distinguish...

By the end of this section, you will be able to calculate power by calculating changes in energy over time and to examine power consumption and calculations of the cost of energy consumed.