I love this site from the BBC with stunning visuals and a great soundtrack. Travel through a strange world answering questions about English, maths and science earning fuel for your hot air balloon. Click on the characters to unlock the questions. Designed for KS2.
http://ictmagic.wikispaces.com/Cross+Curricular
National Geographic Kids online Creature Feature about anacondas. Find facts, photos, and video. Learn more about animals online doing games and having fun.
Buffet Busters - an education program that includes a teachers' guide, along with four animated outbreak scenarios that blends problem solving and scientific analysis in a fun interactive way.
TED is a superb, inspirational organisation that hosts some of the best speakers of our time on a range of fascinating topics. Now TED has a set of amazing videos to use in your classroom to astound your students.
http://ictmagic.wikispaces.com/Video%2C+animation%2C+film+%26+Webcams
Educational Videos dot com is a site devoted to finding you the best educational videos on the web. We intend to create an environment where students from all ages can learn while watching Educational Videos.
This website has great animations (fun too!) that cover a wide range of topics. You can do a free 5 day trial and would then need to subscribe to it. I think it is worth it!