Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
TeachEngineering
Teach Engineering: Electrons on the Move
Students learn about current electricity and necessary conditions for the existence of an electric current. Students construct a simple electric circuit and a galvanic cell to help them understand voltage, current and resistance.
Science Struck
Science Struck: Voltaic Cells and Electrolytic Cells
This article explains what voltaic cells and electrolytic cells are, how they work, their construction, the reactions that take place within them, and the similarities and differences between them.