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...
This website on oil tankers, authored by United Nations Atlas of the Oceans, explains how their size is a consequence of how their volume and surface area scale up. A cross-section diagram shows how the relative size of...
Authored by the Annenberg/CPB Project, this website enables visitors to analyze the spectrum of a star and determine its composition. The site displays spectra of various elements and then shows a stellar spectrum, so...
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