An exhibit by the Library of Congress supplies diverse facts on the famous 1492 voyage. The exhibition first examines the encounter between the European explorers and the native people. They explore five geographical areas: The Caribbean Island Societies, the Middle American Cultures, the Andes, Life in the Highlands, the South Atlantic Peoples, and the Diverse Societies of North America. The changing order of the Mediterranean World gives a new perspective to the discovery of America. The entry for Christopher Columbus, too, gives a different slant on the Man and the Myth. The entire site is fortified with pictures and descriptions of artifacts from the time. All in all, the Library of Congress presents multiple routes for discussions on Columbus Day.

Changes in voting qualifications and participation, the election of Andrew Jackson, and the formation of the Democratic Party"”due largely to the organizational skills of Martin Van Buren"”all contributed to making the election of 1828 and Jackson's presidency a watershed in the evolution of the American political system.

The following education materials have been created to engage students with digitized foreign language newspapers. Students will learn how to search the Chronicling America website to find evidence of the past, detect bias in newspaper articles, and analyze the activities of the 1920s Ku Klux Klan in a historical context and from an immigrant perspective. Lesson 1 of 3.

The following education materials have been created to engage students with digitized foreign language newspapers. Students will learn how to search the Chronicling America website to find evidence of the past, detect bias in newspaper articles, and analyze the activities of the 1920s Ku Klux Klan in a historical context and from an immigrant perspective. Lesson 2 of 3.

The following education materials have been created to engage students with digitized foreign language newspapers. Students will learn how to search the Chronicling America website to find evidence of the past, detect bias in newspaper articles, and analyze the activities of the 1920s Ku Klux Klan in a historical context and from an immigrant perspective. Lesson 3 of 3.

They offer a variety of options including a PD Online interactive course catalog, free webinar series, extensive library of videos demonstrating effective teaching practices through their PD Infocus, their My Teach Source provides classroom-focused topic packs with teacher-driven articles, videos, checklists, rubrics, reproducibles, links, and more to begin implementing right away.

The author herself offers this extensive biography, with a lot of great pictures as well.

This American Memory site provides a comprehensive collection of Abraham Lincoln papers. Read the introduction page so you can see how they are organized. You can search by keyword or just browse the collection. Very interesting!!

By examining Lincoln's three most famous speeches the Gettysburg Address and the First and Second Inaugural Addresses in addition to a little known fragment on the Constitution, union, and liberty, students trace what these documents say regarding the significance of union to the prospects for American self-government.

In this section we will be talking about the basics of acids and bases and how acid-base chemistry is related to chemical equilibrium. We will cover acid and base definitions, pH, acid-base equilibria, acid-base properties of salts, and the pH of salt solutions.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This tutorial focuses on active listening including what it is and how to become an active listener; a slide show provides the five basic elements of listening. It also offers a video of Alice Walker reading Soujourner Truth's "Ain't I a Woman" [3:13] for students to use to practice active listening. It ends with ways to improve listening skills.

To add the vectors (x₁,y₁) and (x₂,y₂), we add the corresponding components from each vector: (x₁+x₂,y₁+y₂). Here's a concrete example: the sum of (2,4) and (1,5) is (2+1,4+5), which is (3,9). There's also a nice graphical way to add vectors, and the two ways will always result in the same vector.​​

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Students practice deciding whether an adjective or an adverb is needed by filling in the blank with one of the provided options.

Hear about how respect for Earth can help us attain a more sustainable lifestyle in the face of climate change in this video segment adapted from United Tribes Technical College.

Students learn to write descriptive sentences using adjectives, adverbs, and prepositional phrases in this teacher-led lesson.

Students learn to write complex sentences that include adjectives and adverbs in this teacher-led lesson.

Contains text and photos on the African-American exodus to the West. Includes primary source documents and maps from the era.

Part of a virtual exhibit by the Library of Congress, this site details the effects of the Civil War and Reconstruction on the newly freed slaves. It contains photographs of artwork and a map from the period.

From the Library of Congress, this resource documents the course of post-Civil War, post-slavery life for black Americans. Topics include education, constitutional amendments, voting rights and the many challenges African Americans faced as newly free citizens. Includes political cartoons, maps and legislative information along with other primary source documents and commentary.

This exhibit on the African American culture and history ranges from the 1948 desegregation of the military to Hank Aaron's breaking of Babe Ruth's homerun record in 1974. Includes images of historical photographs and documents.