Interactive Periodic Table
This advanced periodic table includes health and safety information.
Chem Ed Exchange
Chem Ed Exchange is a site for – you guessed it – chemistry and science teachers! They have a great deal of free content in addition to their paid content.
Biology Q&A
Based on theory of knowledge and brain science, Biology Q&As was specifically designed, written and organized to make learning biology easier. More than 1800 bite-sized Q&As, covering all of the primary branches and subjects in biology, are available to make studying biology as easy as possible.
Middle School Science Quizzes
Education Quizzes offers a wide range of quizzes on a variety of topics. It is American in its content, but science crosses all borders.
This tool should be used as a supplemental tool and for practice quizzes. It requires payment to have an account, but the quizzes can be used without logging in.
Encyclopedia of Life
The Encyclopedia of Life offers vast amounts of information about all forms of life on earth. They offer biodiversity cards, data searches, trait-based models and a host of other information to enrich the learning of life sciences.