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...

“Words can be like x-rays if you use them properly—they’ll go through anything.” Readers of Brave New World will be pierced by an activity that asks them to use details from the text to craft a biopoem for one of the characters in Aldous...