This link takes you to a comprehensive unit that delves into emission spectra and supernovas. There are four parts: How and where elements are created, electromagnetic radiation, spectroscopy, and the newest technology for studying our...

Using spectroscopes, high school astronomy, physics, or chemistry learners observe emission spectra from several different sources. This stellar NASA-produced lesson plan provides terrific teacher's notes and a student handout. Make sure...

Students engage in a lesson that is concerned with the concept of a simple machine and uses the law of motion to justify why they operate. Students explore the laws by constructing some simple machines to illustrate the concepts.