Curated OER
2000 U.S. National Chemistry Olympiad Local Section Exam
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
Curated OER
Water Quality
Students analyze water quality and turbidity of collected samples. In this physics lesson plan, students conduct tests to identify the suspended particles in the samples. They explain how human activities affect water quality.