SCIENCE
Challenger Center for Space Science Education http://www.challenger.org/
International Space Station Web http://spaceflight.nasa.gov/
Johnson Space Center http://education.jsc.nasa.gov/
NASA Homepage http://www.nasa.gov/
Space Science Institute http://www.spacescience.org/index.php
The U.S. Geological Survey (USGS) and Science Education http://education.usgs.gov/
The Why Files: Science Behind the News http://whyfiles.org/
ENGLISH LANGUAGE ARTS
Carol Hurst's Children's Literature Site http://www.carolhurst.com/
National Council of Teachers of English http://www.ncte.org
Kathy Shrock's Guide to Everything http://www.schrockguide.net/
SOCIAL STUDIES
Anne Frank Online http://www.annefrank.com
African American History https://www.loc.gov/teachers/classroommaterials/lessons/#topic100
Slaves’ Stories https://www.liverpoolmuseums.org.uk/history-of-slavery
National Archives Digital Classroom http://www.archives.gov/digital_classroom/index.htm
PRIMARY SOURCES
Library of Congress: Teachers http://www.loc.gov/teachers/
National Archives: Docs Teach http://docsteach.org/