Science

HowStuffWorks
For anyone who wants to know HowStuffWorks its content is reliable, accurate, and entertaining. Originally founded as a Web site for curious people, the award-winning company now offers clear and fascinating content to millions of readers every month.

Room 108
Room 108 is a primary education site for kids.   There are lots of  free online games but all with an educational focus. There are over 400 pages of kids educational games, interactive writing, animated stories, songs, kids puzzles, art, math, science, social studies, distance learning and much more. A great resource for primary kids games and teacher teaching resources!

Science Made Simple
This no-frills site helps kids learn science the easy, hands-on way with clear, detailed answers to their questions and lots of fun projects and experiments.