PBS
Pbs: Linear Equations in One Variable
Visualize solutions to one variable equations by performing a balancing act. This interactive exercise focuses on linear equations and mathematical reasoning to show how one variable equations need to stay balanced to be solved correctly...
The Dirksen Congressional Center
Congress Link: Lesson Plans
The Dirksen Congressional Center provides abundant lesson plans on all aspects of the US Congress and the US Constitution. All lessons contain time frames, objectives, and links to material, and are built around Bloom's taxonomy.
Other
Concord Coalition
This homepage is for the Concord Coalition, a bipartisan organization founded by Senators Rudman and Tsongas in 1992 to promote a balanced federal budget, in light of the failure of the Gramm-Rudman-Hollins Act. It advocates putting the...
University of Virginia
Miller Center at Uva: u.s. Presidents: Theodore Roosevelt: Domestic Affairs
Read about the progressive legisltion supported by President Theodore Roosevelt in his attempt to balance business interests with the public good. Read about his actions concerning conservation, government regulations, and business-labor...
Exploratorium
Exploratorium: Structures Around the World
How does that bridge stay up? What are the forces acting on that column? This site helps students understand how structures can be built by having them build their own. Also provides images of real structures for kids to compare with...
Open Door Team
Open Door: Ecosystem: An Inter Acting Community: Competition Between Organisms
This short article discusses competition for resources and survival within an ecological system.
Other
Us Congress: Congress, the Court, and the Constitution
Transcript of a congressional hearing, held in 1994, to discuss whether Congress had given too much power to the Supreme Court, against the express intent of the Founding Fathers. This transcript is lengthy but informative, containing...
Science Buddies
Science Buddies: Walking Coins on a (Vertical!) 'High Wire'
Here is a project that is almost like a magic trick: with a strong magnet and a simple apparatus you can build yourself, you can make a coin "walk" up and down a wire coat hanger. This project is an interesting way to learn about the...
ClassFlow
Class Flow: Government Glossary
[Free Registration/Login Required] In this lesson Activotes are used to access student's prior knowledge of the principles of the US constitutional government. Student knows the essential principles stated in the US Constitution-...
Digital History
Digital History: September 11, 2001
This site has a comprehensive overview of the September 11, 2001 attacks on the U.S., including information on Osama bin Laden's background, the formation of Al Qaeda, the attacks themselves, the US response, civil liberties and national...
University of Virginia
Miller Center at Uva: u.s. Presidents: Herbert Hoover
This resource contains a detailed biography on Herbert Hoover. From the left-hand toolbar, select information on his life before the presidency, campaigns and elections, domestic affairs, foreign affairs, and life after the presidency....
Science Education Resource Center at Carleton College
Serc: Building Big Educator's Guide Mini Activity Human Arch, Forces
In this physics/engineering activity students physically make an arch by pushing on each other with arms outstretched over head. As long as the pair of students balance each other's force their arch will stand, although it will be weak....
Digital History
Digital History: British Mercantilism and the Cost of Empire [Pdf]
Learn about the theory of mercantilism and how it affected the economies of the New England, Middle, and Southern colonies. Practice making a bar graph showing the value of exports to and imports from England between 1700 and 1774 with...