Build circuits with resistors, light bulbs, batteries, and switches and take measurements with laboratory equipment like the realistic ammeter and voltmeter.

This activity asks students to read and compare the language of selected civil rights legislation.By tracing the changes in language (from "handicapped" to "people with disabilities," for example) and the necessity of restating and reinforcing Constitutional rights, the analysis likewise asks them to think about prejudice, stigma and fundamental rights and freedoms.

This lesson plan attempts to dissolve the artificial boundary between domestic and international affairs in the postwar period to show students how we choose to discuss history.

Whether it be called the Civil War, the War between the States, the War of the Rebellion, or the War for Southern Independence, the events of the years 1861-1865 were the most traumatic in the nation's history. This curriculum unit will introduce students to several important questions pertaining to the war.

This lesson unit is intended to help teachers assess how well students are able to classify solutions to a pair of linear equations by considering their graphical representations. In particular, this unit aims to help teachers identify and assist students who have difficulties in: using substitution to complete a table of values for a linear equation; identifying a linear equation from a given table of values; and graphing and solving linear equations.

Investigate collisions on an air hockey table. Set up your own experiments: vary the number of discs, masses and initial conditions. Is momentum conserved? Is kinetic energy conserved? Vary the elasticity and see what happens.

In this lesson, student groups create a short, simple play based on their study of broadsides written just before the American Revolution. By analyzing the attitudes and political positions are revealed in the broadsides, students learn about the sequence of events that led to the Revolution

Drawing on the resources of the Library of Congress's Printed Ephemera Collection, this lesson helps students experience the news as the colonists heard it: by means of broadsides, notices written on disposable, single sheets of paper that addressed virtually every aspect of the American Revolution.

This lesson focuses on John Winthrop's historic "Model of Christian Charity" sermon which is often referred to by its"City on a Hill" metaphor. Through a close reading of this admittedly difficult text, students will learn how it illuminates the beliefs, goals, and programs of the Puritans. The sermon sought to inspire and to motivate the Puritans by pointing out the distance they had to travel between an ideal community and their real-world situation.

Make a whole rainbow by mixing red, green, and blue light. Change the wavelength of a monochromatic beam or filter white light. View the light as a solid beam, or see the individual photons.

September 17th is Constitution Day, commemorating the day in 1787 when, at the end of a long hot summer of discussion, debate and deliberation, the delegates to the Constitutional Convention signed America's most important document.

This lesson looks at Thomas Paine and at some of the ideas presented in his pamphlet, "Common Sense," such as national unity, natural rights, the illegitimacy of the monarchy and of hereditary aristocracy, and the necessity for independence and the revolutionary struggle.

This lesson unit is intended to help teachers assess how well students are able to interpret exponential and linear functions and in particular to identify and help students who have the following difficulties: translating between descriptive, algebraic and tabular data, and graphical representation of the functions; recognizing how, and why, a quantity changes per unit intervale; and to achieve these goals students work on simple and compound interest problems.

When most people think of the Civil Rights Movement in America, they think of Martin Luther King, Jr. Delivering his "I Have a Dream" speech on the steps of the Lincoln Memorial in 1963. But "the Movement" achieved its greatest results due to the competing strategies and agendas of diverse individuals.

How do artists create a story that provides a message or provokes emotions in that single frame? This lesson will help students analyze ways in which the composition of a painting contributes to telling the story or conveying the message through the placement of objects and images within the painting.

Watch your solution change color as you mix chemicals with water. Then check molarity with the concentration meter. What are all the ways you can change the concentration of your solution? Switch solutes to compare different chemicals and find out how concentrated you can go before you hit saturation!

Experiment with conductivity in metals, plastics and photoconductors. See why metals conduct and plastics don't, and why some materials conduct only when you shine a flashlight on them.

Experiment with conductivity in metals, plastics and photoconductors. See why metals conduct and plastics don't, and why some materials conduct only when you shine a flashlight on them.

Witness the unfolding drama of the Constitutional Convention and the contributions of those whom we have come to know as the Founding Fathers.  In this lesson, students will become familiar with four important, but relatively unknown, contributors to the U.S. Constitution Convention: Oliver Ellsworth, Alexander Hamilton, William Paterson, and Edmund Randolph.

To what shared principles did the Founding Fathers appeal as they struggled to reach a compromise in the Constitutional Convention? In this lesson, students will learn how the Founding Fathers debated then resolved their differences in the Constitution. Learn through their own words how the Founding Fathers created"a model of cooperative statesmanship and the art of compromise."