Cosmo Learning
Cosmo Learning: Senior Chemistry With Chemguy
A collection of video lectures from a general chemistry class for high school students. Lectures cover topics such as equilibrium, thermochemistry, electrochemistry, and acids and bases with forty-four lectures. Lectures vary in length...
ClassFlow
Class Flow: Matter, Property and Changes
[Free Registration/Login Required] This flipchart contains a review quiz for high school chemistry on matter, property and changes.
Khan Academy
Khan Academy: Biology Foundations: Unit Test
A nine-question unit test over biology foundations along with a review of the chemistry basics to help you understand the beauty of life.