Mixtures and Solutions: Paper Chromatography Experiment
Why does some ink bleed through paper, and other ink doesn't? Practice some paper chromatography to separate the colors from a pen with an interactive experiment for middle and high schoolers. Learners use a variety of solutions to track...
7th - 12th Science CCSS: Designed
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...
9th - 12th Science
Determination of Purity of Food Colours Using Paper Chromatography
Is food color pure or made up of multiple colors? The fifth experiment in a series of seven encourages scholars to identify the color components in food coloring. They use paper chromatography to identify which colors are present and...
9th - 12th Science CCSS: Adaptable
AP Chemistry, Topic 6: Equilibrium, Part B. Day 65 Examples
A great sheet which AP students could use for reference after solving the equations! Providing the ideal gas equation and the equilibrium expression, the resource discusses and demonstrates three sample reactions in terms of...
9th - 11th Math
New Review Observing Chemical Changes—Microscale Chemistry
Want to add a wow factor to your current chemical changes lesson plan? Try a microscale experiment with colorful precipitates! Partnered learners conduct 10 single displacement reactions and record their observations.
6th - 12th Science CCSS: Adaptable