US Environmental Protection Agency
Epa: What Is the Great Lakes Water Quality Agreement?
This site details the signing and revision of the Great Lakes Water Quality Agreement by the United States and Canada. Includes a copy of the revised agreement of 1978.
Other
Center for Democracy and Technology
A public interest organization working for public policies that advance civil liberties and democratic values in information technologies. Contains links to information on free speech, data privacy, wiretapping, and cryptography.
TeachEngineering
Teach Engineering: Make That Invisible! Refractive Index Matching
Students determine the refractive index of a liquid with a simple technique using a semi-circular hollow block. Then they predict the refractive index of a material (a Pyrex glass tube) by matching it with the known refractive index of a...
Texas Education Agency
Texas Gateway: Linear Momentum and Collisions: Glossary
This is a glossary of the terms and definitions used in Chapter 8: Linear Momentum and Collisions from the AP Physics online text.
Immigration and Ethnic History Society
Iehs: Madeline Hsu, "The Good Immigrants"
This article focuses on immigration history as shown in the book "The Good Immigrants: How the Yellow Peril Became the Model Minority" (Princeton University Press, 2015 by Madeline Hsu. It intervenes in immigration history by tracking...
University of Sydney (Australia)
Equations for Thermodynamics
An exhaustive list of equations and formulas which are commonly used in thermal physics (including equations for triple point). Equations are organized according to category. Meaning of the symbols is clearly stated.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Cycle
The heat engine cycle is defined and discussed. So pressure-volume diagrams are introduced and their use in depicting the cycles of a heat engine is demonstrated. Informative graphics are accompanied by reason-filled explanations.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts
An indexing page for the HyperPhysics site. The page contains a concept map of links to a variety of other pages which discuss concepts related to heat engines. All pages contain informative graphics and excellent explanations.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts: The Otto Cycle
Schematic diagrams illustrating the operation of a four-stroke engine cycle. Interactive buttons allow you to step through the various steps of each engine cycle. Each graphic is accompanied by an excellent explanation.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts: Carnot Cycle
The Carnot cycle is described, illustrated and explained. The Carnot efficiency equation is given and interactive JavaScript form allows the visitor to investigate the effect of the reservoir temperature and the sink temperature upon the...
Georgia State University
Georgia State University: Hyper Physics: Behavior of Incident Light
This site from Georgia State University is an indexing page for several other pages on the topic of reflection. Topics are treated in an understandable manner and utilize meaningful graphics.
Utah State University
Teacher Link: A Day in the Life of an Employed Child
Ask your students how they would like working everyday instead of coming to school? This site features a lesson plan to help make students aware of child labor abuses throughout the world.
NPR: National Public Radio
Npr: Civil Liberties and the War on Terrorism
This August of 2002 report discusses post-September 11 treatment of Arab and Muslim people residing in the U.S.
Annenberg Foundation
Annenberg Classroom: Right to Due Process
Check out this interactive timeline of the right to due process in the United States.
US Senate
Joint Economic Committee
The Joint Economic Committee, composed of memebers from both the United States Senate and the House of Representatives, reviews economic conditions and recommends improvements in economic policy. The content of the website includes...
University of California
Univ. Of California: Career Exploration Link
Are you interested in exploring a career? The occupational career exploration links allow you you to select a professional area and display potential job paths within that field.
Georgia State University
Georgia State University: Hyper Physics: Heat Pump
Heat flow from a hot region to a cold region is described and explained. Applications of this phenomenon (specifically heat pumps and refrigerators) are discussed. Excellent graphics.
Oklahoma Mesonet
Oklahoma Climatological Survey: Heat Transfer
A discussion from the Oklahoma Climatological Survey of the thermal factors effecting the movement of air masses in the atmosphere. Numerous topics such as methods of heat transfer, latent heat, phase changes (including sublimation and...
Physics Classroom
The Physics Classroom: Work, Energy, and Power: Mechanical Energy Is Conserved
In this interactive exercise, explore the quantitative relationship between work and mechanical energy in situations in which there are no external forces doing work.
Physics Classroom
The Physics Classroom: Work, Energy, and Power: Application/practice Questions
Through illustrated examples and practice problems, students apply the relationship between work and mechanical energy change to a variety of motion scenarios in order to test our understanding.
Andre Dollinger
Reshafim: Egyptians and Foreigners
Egyptians' view of the world, geographically and culturally, is discussed in this comprehensive article. Read about what Egyptians adopted from other cultures. Follow hyperlinks for more information. Links are provided for additional...
University of Minnesota
Univerisity of Minnesota: Immigration Syllabus: Weeks 7 8
Syllabus for WEEK 7: World War II and the Cold War: The Geopolitics of Immigration Reforms. WEEK 8: Family, Gender, and Sexuality
University of Sydney (Australia)
Thermal Physics Module: Refrigerators and Heat Pumps [Pdf]
Refrigerators and heat pumps are described. Their operation is explained and the variables which improve their efficiency is discussed.
Boston University
Bu: Optics: Geometric Optics
Several short descriptions of demonstrations which illustrate principles of geometric optics (many of which focus upon refraction).