This site from the Arlington National Cemetery contains a memorial to the U.S.S. Maine, a ship that was sunk during the Spanish-American War. Includes some brief text, then a lot of pictures, and then some in-depth text.

As a rebuttal to Christian Fundamentalism in the 1920s, Harry Emerson Fosdick preached an important sermon celebrating liberal Protestantism. Read this well-thought out sermon here.

Images of American buildings, including houses, churches, and public buildings from the seventeenth century through the twenthieth century taken by Dr. Jeffery Howe, a professor at Boston College. The table of contents groups images by...

A three-lesson unit on the campaign and election of 1840. Links to many sites for more information, interactive worksheets, lesson objectives, and assessment. From EDSITEment.

A complete lesson unit on Hammurabi?s Code, for Grades 9-12.

The Black Death caused a radical alteration in population and dramatic changes in society. In this lesson, students will analyze maps, documents, and firsthand accounts to trace the effects of the Black Death in Europe.

Discusses the sexual abuse of children, causes, symptoms to be on the alert for in a child, how children are groomed by a predator, ways to prevent it happening, and how to get help.

Examines high blood pressure or hypertension, what it is, how it is diagnosed, factors that affect blood pressure, types of hypertension, risk factors, complications from high blood pressure, how it can be treated, and prevention...

This is a four-page PDF of subject and verb agreement rules with examples.

Discusses the resettlement initiatives in the 1800s when freed slaves were sent to live in Sierra Leone and Liberia in Africa, and some of the difficulties they faced there.

The original Articles of Confederation and Perpetual Union between thirteen states, created in 1777 and ratified in 1781. It preceded the Constitutional Convention in 1787.

This Wide Angle video features the women of Rwanda who have emerged as outspoken leaders and the great strides they have made toward rights and equality.

This Wide Angle video explores the effects of economic prosperity and secularization on family structure and beliefs in Ireland.

Amelia Bloomer was a prominent advocate of women's rights in the 19th century. She invented bloomers to replace the skirt hoop, in an effort to free women from much of their cumbersome apparel. She later used her newspaper, The Lily, to...

Students can use this page as a jumping off page to do research on Spanish missions in California. There are numerous links to Scholastic articles and to other websites on subtopics such as missionaries, Franciscans and places in...

Data from the 1880 and the 1900 Censuses, and how these relate to the lives of Almanzo and Laura Ingalls Wilder, are presented here. There are also ideas for teaching using primary sources.

This resource from the Circle Association at the University of Buffalo gives background on the origins of the Harlem Renaissance and highlights its most famous authors.

Learn about the desert scrub ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

Learn about stream and river ecosystems. Find out about plants, animals, adaptations, and conservation efforts.

Learn about lake and pond ecosystems. Find out about plants, animals, adaptations, and conservation efforts.

E-learning site uses an example of "pushcarts on the beach" to demonstrate a monopolistically competitive market structure and how, as more firms enter the market, price, quantity, and deadweight loss are all affected.

This online exploration provides an opportunity to identify the different properties of waves and the relationship that exists between energy, wavelength, and frequency. Correlate images from the Hubble Telescope to the wavelength,...

Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time....

Explore pressure in the atmosphere and underwater. Reshape a pipe to see how it changes fluid flow speed. Experiment with a leaky water tower to see how the height and water level determine the water trajectory. Java required.