Expii functions as an interactive series of math and science textbooks. Po-Shen Loh, a math professor at Carnegie Mellon University, created Expii with the aim of making math and science instruction more interactive and collaborative. The resource can be navigated in one of two ways: users may either search for a specific topic, such as "quadratic equations" or "Newton's first law," or they may...

Although Exploratorium has been previously highlighted several times, the Online Exhibits Web site compiles old and new activities on a single well designed interactive page. From here, students can choose from topics such as seeing, mind, life science, matter/ world, and hearing categories; and then partake in the many activities within each. For example, the squirming palm activity uses...

The National Science Foundation (NSF) has crafted this well-curated collection of resources generated through NSF-funded educational research and development projects. The topical areas here include Teacher Development, Instructional Materials, Assessment, and Research Syntheses. Educators can navigate to the Resources area to explore over three dozen items, including the online book Worms,...

Science has many compelling and fascinating stories, and thinking about teaching science through the use of narratives can be a rewarding idea for educators. This particular classroom exercise was peer-reviewed by participants at the 2007 "Preparing Teachers to Teach Earth Science Workshop" at Carleton College, and was authored by B.R. Bickmore and D.A. Grandy of Brigham Young University. The...

Offered by Exploit, a nonprofit and independent California Corporation, the Science Quizzes site contains more than forty quizzes in various science subjects. Topics include astronomy, physics, weather, chemistry, water, cold, Mars, and other physical and biological subjects. Each quiz allows users to choose from among several answers and then check to see how many they got right. Although fairly...

Fun Trivia.com, "the World's Largest Trivia Site" includes a section of trivia quizzes devoted to science. Sixteen different quizzes are currently offered, covering topics such as the Fahrenheit Scale, Chemical Elements: Origins of Names, and How to Do Science. The quizzes are graded on a difficulty scale based on scores from the first twenty players. After a free registration, anyone can submit...