Pingry School
Synthesis of an Insoluble Ionic Salt: A Stoichiometry Experiment
Challenge young scientists to design their own experimental procedures. They write the procedure for properly preparing two grams of a water-insoluble ionic salt. To finish, they perform the experiment and collect data to prove their...
Curated OER
Polymerase Chain Reaction (PCR)
Students explore how PCR works through various activities. In this biology instructional activity, students explain how PCR generate copies of DNA. They simulate the process using an online interactive website.
Cornell University
The Physics of Bridges
Stability is key when building a bridge. Scholars explore the forces acting upon bridges through an analysis of Newton's Laws and Hooke's Law. The activity asks individuals to apply their learning by building a bridge of their own.