The Kjeldahl method is used primarily for determination of Total Kjeldahl Nitrogen (TKN) and crude protein for food and beverage analysis. The video demonstrates the four steps of the Kjeldahl workflow: ✔️ Sample preparation ✔️ Digestion ✔️ Steam distillation ✔️ Titration | The Science Explorer

Mrs. Diamond teaches using the Kodály method with our 4th grade students. This video illustrates moving from simple rhythms and movements to more complex ones in order to make the original motions seem easier. Mrs. Popinski’s class sings “Who stole my chickens and my hens,” while coordinating changing hand motions in pairs. | Evangel Classical Christian School