Scientists used flame tests to identify elements long before the invention of emission spectroscopy. Young chemists observe a flame test of five metal cations in the fourth lesson of an 11-part series. Individuals then work...

The microwave is a staple in many American households, but how exactly does it work? Approach this question from a scientific and practical standpoint, and discover cooking strategies, recipes, and methodologies for the standard...

Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains...

This lab is designed to allow students to look at the factors affecting the location of different colors formed by diffraction grating.