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...

In this acid and base activity, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This activity has 16 multiple choice questions and 3 problems to solve.

Students determine the amount of air they use during rest and activity. They conduct experiments to calculate the number of breaths needed to empty a jug of water by exhaling through a tube into the container. Then, they figure how much...