Explore a selection of free movies, quizzes, and activities from BrainPOP's suite of educational, animated resources.In my experience the students start out loving, then they find the presentations tedious. However, can be a good way to hook the learner if not overused.
Play games, watch videos, learn about animals, and places, and get fun facts on the National Geographic Kids website. -- There are also resources for younger students. I've found that the younger students are very curious about the "real". National Geographic is a resource that can be trusted.
Something that I've used with my kiddos....Downside, it's not all free. Still worth checking out. Highlights does offer some free things for teachers who participate by sending information home to parents.