Curated OER
2007 U.S. National Chemistry Olympiad Part II
Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...
Curated OER
Bellwork for Week 5-Minerals and Experimental Design
In this minerals and experimental design worksheet, learners answer questions about variables in experiments, identification of minerals, mining and properties of minerals.
Pingry School
Qualitative Analysis of Eleven Household Chemicals
Chemical and physical properties give compounds an identity. Learners use the identity of a compound to predict what it is. By performing different tests like solubility, flame, heat, and reactions, individuals attempt to identify an...
Curated OER
Types of Bonding Lab
Chemistry lab learners experiment to identify a series of unknown compounds. They choose which tests to perform, but you may suggest melting or boiling point, solubility, electrical conductivity, and malleability. This is a terrific...
Curated OER
Sum of Products and Product of Sums Expression
In this electrical circuit learning exercise, learners answer a series of 21 questions about sum of product and product of sum, and Boolean expression for a logic circuit. They design and build a circuit board using PC-board relays...