NASA
Nasa: Information on the Sts 51 L Challenger Accident
The mission profile of the Challenger accident, including the sequence of events, images and movie clips, crew profiles, and the report of the Presidential Commission.
Other
4 Action Initiative: Curriculum: Learning From the Challenges of Our Times
Download or view a complete unit of study on the World Trade Center attack on September 11, 2001. Lessons are provided for the elementary, middle, and high school levels and include reproducible handouts, teaching ideas, and additional...
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
![De Paul University: Center for Urban Education: The Challenge [Pdf] Unit Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "De Paul University: Center for Urban Education: The Challenge [Pdf] Unit Plan")
Polk Brothers Foundation Center for Urban Education at DePaul University
De Paul University: Center for Urban Education: The Challenge [Pdf]
"The Challenge" is a one page, fictional, reading passage about a boy who is careless and loses or breaks things. When he broke his drum by using knives on it, his mother gave him a challenge to learn responsibility. It is followed by...
National Humanities Center
National Humanities Center: Toolbox Library: The Gilded and the Gritty: America, 1870 1912
Ninety-four primary sources-historical documents, literary texts, and visual images-that explore the challenges, opportunity, and turmoil of late-nineteenth-century America. They examine the economic expansion in an America re-united...
Georgetown University
Berkley Center: Lyng v. Northwest Indian Cemetery Protective Association
In Lyng v. Northwest Indian Cemetery Protective Association, the Supreme Court considered a free exercise challenge to the U.S. Forest Service's construction of a road through an area used by certain American Indian groups for religious...
Maryland Science Center
Maryland Science Center: Barnyard Ballooning [Pdf]
This is a design challenge where students create a basket, attach it to a balloon, add eggs, and drop it all from a height to see if their design protects the eggs from cracking.
Other
Cyberbullying Research Center
This site has links to other sites about cyberbullying. Cyberbullying is when E-mail, Instant Messaging (IM), Chatrooms, Bash Boards, Small Text-Messages (SMS), Web Sites, and Voting Booths are used to spread rumors, negative images,...
Other
Berkman Center for Internet & Society: Confronting Online Challenges
Youth and Media focuses on the challenges young people face when accessing the Internet. Website addresses online safety, privacy, information quality and civic participation. Includes links to ongoing projects, publications and ways for...
National Council of Teachers of Mathematics
The Math Forum: Student Center
The Math Forum Student Center provides math news, notes, challenges, and much more. Dr. Math is here with the answers to students' math questions. There's a teachers' section, a research division, and a parents' part. This site also...
Smithsonian Institution
Lemelson Center: Invention at Play
In this mind challenging and creative site, you will learn how play and inventiveness are related. Hear inventors' stories, set your own inventive thinking in motion, and see video commentaries about the nature of play and whether or not...
Oswego City School District
Regents Exam Prep Center: Nature of Roots: Sum and Product
Use these materials for planning classroom instruction on roots of equations: a lesson with a quadratic equation investigation; practice questions with answers that will quiz students' grasp of solving quadratics and roots; and two...
National Humanities Center
National Humanities Center: Teacher Serve: Freedom's Story: Pigmentocracy
Trudier Harris, Professor of English at the University of North Carolina, takes a look at pigmentocracy, the distinctions that people of African descent in America make in their various skin tones. She suggests that there is a...
Centers for Disease Control and Prevention
Centers for Disease Control: Are You a Working Teen? Safety and Health on the Job
This site is a pamphlet about teen job safety. It gives specific examples of dangerous situations as well as laws for teen workers.
National Humanities Center
National Humanities Center: Toolbox Library: African American Identity: Volume Iii, 1917 1968: Segregation
Series of nine primary resources on African American identity explores the concept of segregation and how it was experienced through the years 1917-1968. Inlcudes discussion questions, notes and links to supplemental resources.
National Humanities Center
National Humanities Center: Toolbox Library: Making of African American Identity: Volume Iii, 1917 1968: Protest
A collection of 13 primary resources with questions for discussion and links to supplemental material about the various forms of protest undertaken by African Americans in pursuit of civil rights and how it helped shape identity.
Centers for Disease Control and Prevention
Centers for Disease Control: Body and Mind: Don't Let Asthma Keep You Out of the Game
Learn about athletes who didn't let their asthma get in the way of going to the Olympics and about the types of sports best for asthma patients. This website includes links to information on "Famous people who have asthma," as well as...
Other
The Henry L. Stimson Center: Homepage
"The Henry L. Stimson Center is an independent, nonprofit, public policy institute committed to finding and promoting innovative solutions to the security challenges confronting the United States and other nations in the twenty-first...
National Humanities Center
National Humanities Center: Toolbox Library: Lee Chew, "The Biography of a Chinaman"
A story of the rise, the challenges, and the alienation experienced by one Chinese immigrant in America. Questions for discussion included.
Beacon Learning Center
Beacon Learning Center: Play Ball
An interactive web lesson shows examples of pictographs and challenges students to answer questions about the graphs.
Oswego City School District
Regents Exam Prep Center: Practicing With Properties of Real Numbers
Test your knowledge of the number properties. This challenging practice really puts you to the test. Assessment covers all number theory properties: associative, commutative, distributive, inverse, and identity.
Oswego City School District
Regents Exam Prep Center: Logic
Understanding mathematical language in problem solving can be a difficult concept to grasp. Sharpen your logical reasoning skills at this test prep site that explains the terms: if, and, or, implies, and only if, as they relate to math....
Oswego City School District
Regents Exam Prep Center: Algebraic Fractions
Fractions containing variables can challenge students--and for teachers to teach. Here are explanations of what algebraic fractions are, how they might be simplified, how they are multiplied, divided, added, and subtracted.
Centers for Disease Control and Prevention
Centers for Disease Control: Youth Health Risk Behaviors
This site from the CDC provides research results on health risk behaviors in the United States compared by race and ethnicity. Covers over twenty risk behaviors. Gives information in summaries, table sand charts.