Curated OER
Iron in Foods
Students determine the amount of iron in a sample of cereal. In this iron lesson plan, students use a computer colorimeter to measure the amount of light absorbed by the solutions. They create a calibration curve using standard solutions...
Curated OER
How Can We Calculate an Equilibrium Constant?
High schoolers explain how equilibrium quantities are changed by temperature, pressure or different concentration of substances. They work together to complete equilibrium equations. They identify the relationship between absorption of...
Curated OER
The Perils of Drinking Water
Young scholars determine the presence of drugs in water. In this chemistry lesson, students experiment on water samples using thin layer and column chromatography. They determine the concentration of drugs present using graphical analysis.