Library of Congress has an online presentation of the Aaron Copland Collection that includes writings, correspondence, photographs, and musical sketches.

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

The Library of Congress presents Abraham Lincoln's Primary Source Set. Provides numerous examples of primary documents such as handwritten letters to Mary Todd Lincoln, drafts of speeches, and auditory examples of Lincoln's speech at Gettysburg. Includes information for teachers on how to use and create primary source sets and how to utilize the Lincoln Primary Source Set in the Classroom with lesson plan ideas.

Students play and record the “Mary Had a Little Lamb” song using musical instruments and analyze the intensity of the sound using free audio editing and recording software. Then they use hollow Styrofoam half-spheres as acoustic mirrors (devices that reflect and focus sound), determine the radius of curvature of the mirror and calculate its focal length. Students place a microphone at the acoustic mirror focal point, re-record their songs, and compare the sound intensity on plot spectrums generated from their recordings both with and without the acoustic mirrors. A worksheet and KWL chart are provided.

Students learn to use manipulatives and calculators to explore what happens when they change one number at a time in an addition number sentence. They record and develop the pattern that develops.

A career in Actuarial Science in profiled.Includes: Actuarial Science overview, Preparation, Day In The Life, Earnings, Employment, Career Path Forecast, Professional Organizations.

Interactive lesson plan which allows for elementary students to learn the "Part of speech," concepts of adjectives as well as effective characterization techniques. Uses the story of Charlotte's Web.

A profile of aerospace engineering as a career,includes aeronautical and astronautical engineers as sub-categories in this field. Includes Aerospace Engineering Overview - Preparation - Day In The Life - Earnings - Employment - Career Path Forecast - Professional Organizations -Profiles of Aerospace Engineers - Overview PDF - PowerPoint - Podcast.

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.

An excellent overview of the African American experience in America beginning with West Africa during the slave trade, through emancipation and reconstruction, to "New beginnings."

Find out what sources are contributing to the particulate pollution in your state. An interactive bar graph shows the major types of air pollution and their sources. This particular activity focuses on two types of particulates.

These materials document the goals and activities of the Alabama Christian Movement for Human Rights; from the Birmingham Civil Rights Institute.

Over the years, many immigrants came to Alberta from Estonia. This site profiles the rich history, areas of settlement, sense of communityas well as the Estonian people and their cultural life.

Companion site to the televised documentary "Eyes on the Prize" provides access to a full complement of primary sources on the civil rights movement (1954-85), reflections of the people involved, profiles of important figures, image galleries, and similar resources.

PBS features an excellent two-part film and program on the life and career of our 41st President, George H.W. Bush. Share your views on some of his presidential decisions, browse the family gallery, read a timeline of events in his life, and learn much more about his policies and politics.

This is the accompanying site to the PBS film "Victory in the Pacific." Information provided includes maps by which students can trace the war, eyewitness stories, and discussions by historians.

English immigrant in the New World, Anne Bradstreet became an acclaimed poet of Puritan New England. Click on "Anne Bradstreet Activities" for related artifacts and activities.

Business woman and author, Sarah Kemble Knight, was a humorist writer who documented her travels and the times of seventeenth century New England. Click on "Sarah Kemble Knight" for related resources.

In this interactive activity from NOVA Online, explore the main features of the Nyiragongo volcano, located in the Democratic Republic of Congo, and learn what risks it poses to the 500,000 people who live in its shadow.