Activities written by educators with input from scientists, researchers, students, and teachers are provided here to help you and your students investigate light, optics, and color. Each activity has a teacher version...

Project LITE is a two-year proof-of-concept project involving materials development, course instruction, and student learning assessment at Boston University. The project's goal is to develop a prototype set of...

These pages, authored and curated by David P. Stern, part of "From Stargazers to Starships", explain electromagnetic waves and sunlight. Information includes physiological and spectral color, spectral lines, the...

This lesson is based on the concepts of frequency and wavelength, how they relate to each other, and how they correlate with the colors of the visible spectrum. The students will examine these concepts through a hands-on...

This website from the mathematics department at the University of California Riverside provides an answer to the common question "Why is the sky blue?" The page uses illustrations to explain how Tyndall Effect causes the...