Georgia State University
Georgia State University: Hyper Physics: Gravitational Potential Energy
This site defines and explains the concept of gravitational potential energy. Uses many equations and graphics to illustrate the idea. Provides an online computational practice set with immediate feedback.
University of Missouri
Exploring Constitutional Conflicts: The "Clear and Present Danger" Test
Modern first amendment law was formed by cases during the WWI era. Were dissent and subversive activity protected by freedom of speech? Examine five cases that answered this constitutional question. Included are the full opinions of the...
University of Minnesota
University of Minnesota Human Rights Library: The Rights of Non Citizens
Non-Citizens living in the U.S. are afforded certain rights under the UN Declaration of Human Rights. The following synopsis lists these rights, includes a glossary of terms and timeline, and provides links to documents that support the...
![Read Works: The American Revolution, 1763 1783 [Excerpt] Unit Plan](https://content.lessonplanet.com/knovation/original/175864-0662895c0a502f251eb61e9994157a33.jpg?1661559948 "Read Works: The American Revolution, 1763 1783 [Excerpt] Unit Plan")
Read Works
Read Works: The American Revolution, 1763 1783 [Excerpt]
[Free Registration/Login Required] Students read an excerpt from an essay on the American Revolution and answer questions on comprehension, main idea, author's purpose, and more. Links to a paired text and paired text questions are...
OpenStax
Open Stax: Fighting the Good Fight in Wwii 1941 1945: Victory in European Theater
Examines the diplomatic negotiations among the Big Three leaders - Roosevelt, Churchill and Stalin - during World War II. Discusses the invasion of North Africa, the invasion of Europe, the shock of seeing the impact of the Holocaust...
OpenStax
Open Stax: Colonial Societies 1500 1700: Spanish Exploration & Colonial Society
Examines the establishment of Spanish settlements in America, the differences between them, and the conflicts the Spanish had with other European interests and with the native peoples.
OpenStax
Open Stax: College Physics: Viscosity and Laminar Flow: Poiseuille's Law
Understand the difference between laminar and turbulent flow and what fluid viscosity is by studying this section of a College Physics textbook. Section includes how to use Poiseuille's law to calculate fluid flow in a tube. Section also...
OpenStax
Open Stax: College Physics: Radiation
In this section of a college textbook, the topic of radiation is explored. Understand how the process of radiation transfers heat. Also learn how to calculate the rate of heat transfer by using the Stefan-Boltzmann law of radiation....
OpenStax
Open Stax: Urbanization 1870 1900: Change Reflected in Thought and Writing
American writers and intellectuals played an important role in articulating the changes taking place in Industrial America in the late 1800s and early 1900s. Learn about some of the prominent writers, scientists, and philosophers at that...
OpenStax
Open Stax: The Impact of Expansion on Chinese Immigrants and Hispanic Citizens
As white populations moved westward in the 19th century, Chinese immigrants and Hispanic Americans faced racism and discrimination and were unable to compete on an equal basis for land. Eventually, both groups settled into urban areas...
OpenStax
Open Stax: Phase Change and Latent Heat
In this section of the textbook, find information about phase changes. Section will explore how to calculate the heat required to change the phase of an object by knowing the mass and latent heat of fusion or latent heat of vaporization....
Other
Geological Survey Program: Facts About the New Madrid Seismic Zone
It's surprising to find out that the New Madrid Seismic Zone is the most seismically active area in the United States. The facts go into the New Madrid fault very scientifically and are very detailed. Find maps and charts showing...
Yad Vashem, The World Holocaust Remembrance Center
Yad Vashem: Holocaust Denial Laws
The denial of the Holocaust, anti-Semitic rhetoric and the growth of hate groups has led many European nations to pass laws criminalizing hate speech to stop the resurrection of Nazism in Europe. This article discusses individual...
Texas Education Agency
Texas Gateway: Kinematics Problems & Exercises
This page provides problems and exercises for each section of Chapter 2: Kinematics. There are 64 questions listed by section titles.
Texas Education Agency
Texas Gateway: Kinematics in Two Dimensions: Projectile Motion
By the end of this section, you will be able to identify and explain the properties of a projectile, such as acceleration due to gravity, range, maximum height, and trajectory; determine the location and velocity of a projectile at...
Texas Education Agency
Texas Gateway: Uniform Circular Motion and Gravitation: Centripetal Forces
By the end of this section, you will be able to calculate coefficient of friction on a car tire and to calculate ideal speed and angle of a car on a turn.
Texas Education Agency
Texas Gateway: Circular Motion & Gravitation: Rotation Angle & Angular Velocity
By the end of this section, you will be able to define arc length, rotation angle, radius of curvature, and angular velocity; and to calculate the angular velocity of a car wheel spin.
Texas Education Agency
Texas Gateway: Friction, Drag, and Elasticity: Problems and Exercises
This is a list of 43 problems/exercises that cover the content of Chapter 5: Further Applications of Newton's Laws: Friction, Drag, and Elasticity from the AP Physics online text.
Texas Education Agency
Texas Gateway: Force and Newton's Laws: Problems and Exercises
This page offers 57 problems/exercises based on the content of Chapter 4: Dynamics: Force and Newton's Laws from the AP Physics online text.
Texas Education Agency
Texas Gateway: Ap Physics: Gravitational Potential Energy
By the end of this section, you will be able to explain gravitational potential energy in terms of work done against gravity, show that the gravitational potential energy of an object of mass m at height h on Earth is given by PEg = mgh,...
Texas Education Agency
Texas Gateway: Uniform Circular Motion and Gravitation: Problems and Exercises
This page offers a list of 50 problems/exercises to solve based on the content of Chapter 6: Uniform Circular Motion and Gravitation from the AP Physics online text.
Texas Education Agency
Texas Gateway: Work, Energy, and Energy Resources: Problems & Exercises
This is a list of 74 problems/exercises to solve over the content of Chapter 7: Work, Energy, and Energy Resources from the AP Physics online text.
Texas Education Agency
Texas Gateway: Linear Momentum and Force: Introduction to Rocket Propulsion
By the end of this section, you will be able to state Newton's third law of motion, explain the principle involved in propulsion of rockets and jet engines, derive an expression for the acceleration of the rocket , discuss the factors...
Texas Education Agency
Texas Gateway: Linear Momentum & Collisions: Elastic Collisions in One Dimension
By the end of this section, you will be able to describe an elastic collision of two objects in one dimension, define internal kinetic energy, derive an expression for conservation of internal kinetic energy in a one-dimensional...