This is my favorite US history website for finding primary resources, ideas, and for students.
Tom Richey's World History and US history site (AWESOME) Full of PowerPoints, and more
All weeks. Great website where students can learn about American history and take interactive quizzes.
13 Best Websites and Games for U.S. History and Civics | graphite Blog
5 Free History Websites for Homeschooled Middle School Kids (great websites for including all of your kids too) @ Tina's Dynamic Homeschool Plus
A resource for students, educators and all lovers of American History // Videos, activities, links, resources - "Because History is Fun!" :)
BBC Interactive History Website for Kids
30 Ways to Teach History WITHOUT a Textbook || Le Chaim (on the right) blog
Eyewitnesstohistory website with many Primary sources including diary entries from colonists