Activity: Build a Hard Drive

(Provided courtesy of TeachEngineering.org and the Drexel University GK-12 Program) Hard drive (freefoto.com) In this two-hour activity for grades 7-9, students learn about the practical uses, structure, mathematics and terminology of the binary number system. They learn how to convert a given number from the binary to the decimal number system and vice versa, and [...]

Lesson: Magnify It

(Provided courtesy of Science Netlinks and the American Association for the Advancement of Science) In this lesson for Grades K-2, youngsters come to understand that there are limits to what the eye can see and that a magnifying glass can help extend those limits. Context Children come equipped with natural curiosity and creativity and have [...]

Lesson: Solar Cooking

(Provided courtesy of Teachers’ Domain, WGBH Educational Foundation and WPSU) In this series of lessons for grades 6-8, students first experiment with a virtual solar cooker to discover the mathematical relationship among reflection, transmission and absorption. Then they apply their knowledge to building and testing a solar cooker of their own invention. In an extension, [...]