Below are a list of general links that will allow you to search and find quality science-related online resources.
Diigo Groups - EIPS Science - Searchable by tagged keywords. Most links are screened and annotated to fit Alberta Science programs. Sign in is required.
TES - Teacher shared resources searchable by grade level and subject (UK standards). Includes lessons, videos, games reviews, quizzes, etc. Sign in is required.
CK-12 Braingenie - online learning and practice addressing a variety of science and math skills in topics from K-12. Includes immediate feedback, multi-player matches and badges. Students can watch short instructional videos, engage in online practice and engage in unit challenges.