Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Jon Tronc, Indiana Capital Chronicle As a teacher, I can explain how to balance a chemical equation or calculate the speed of a satellite in orbit, but school finance is far less straightforward. What ...

Professor of Chemical and Biological Engineering, Biomedical Engineering, and Public Health, Colorado State University A vast number of chemicals are registered for production and use around the world ...