This unit discusses crystals, offering an opportunity to apply math to real-life objects: growing crystals, the history and theory of crystals, group theory, Miller indices, and mechanical drawing. It develops the...

Design Principles for Interactive Texts is a fun-to-use interactive text on the effective design of interactive texts for education. It summarizes basic principles of interface design from studies in psychology,...

This is the website for Discover magazine. Users may access all the latest scientific news and research. The site is regularly updated and includes many different classroom and lab activities for educators. Back issues...

This virtual lab from the Genetic Science Learning Center at the University of Utah provides a simple overview of DNA extraction, including what it's used for, illustrations, and an activity using cheek cells and...

Under the banner of "A clear voice for science", the radio program "Earth & Sky" has been on the air since 1991. On this site, visitors can listen to the program, which has answered such questions as "How slow does the...