The Map Machine from National Geographic. Although it does have an annoying popup ad, this resource is a must-see. An amazing range teacher resources are available on this site.
The History Channel has interactive resources, history activities, a speech archive and programming information.
A&E Channel. Search 25,000 biographies online. Articles, links to related sites and people.
Discovery Channel School offers hundreds of lesson plans written by teachers for teachers.
Free resources including:
Curriculum Center, activities supporting core curriculum topics for the most popular science topics taught in upper elementary and middle school (includes: Bacteria, Oceans, Chemistry, Solar System, Electricity, The Universe, Genetics, Weather & Climate, Magnetism, Viruses).
For each topic, you’ll find Quick Facts, Hands on Experiments, Project Ideas, Puzzles, Vocabulary Words, and a Review Quiz. Teaching Tools include a Puzzle maker, Lesson Planner, and more.
You’ll also find one of my favorites – Brain Boosters.