This website allows students to tour the technology, mathematics and science that went behind many of the inventions of WWII. It also gives lesson plans for teachers to utilize the site in the classroom.
This website was established by a teacher and it provides many resources for all kinds of social studies classes such as lessons, powerpoints, clip art, good explainer websites for students, etc.
This website gives teachers free access to lesson plans and videos that connect to different content areas. The lessons vary from online or offline work and they often provide way to integrate current events into any classroom.
This was created by Discovery Education to allow teachers to be able to stream videos on a variety of subjects into their classrooms. It does cost a bit of money but many districts are finding that it is a worthwhile expense. You can sign up for a free trial to use it in your classroom.