This high school activity from the Florida Advanced Technological Education (FL-ATE) Center will help students develop their understanding of the design and manufacturing process. The lesson asks the class to examine the...

This site from the Exploratorium provides a comparison of the force of gravity on the Earth, moon, planets, and stars. The site automatically calculates your weight on these objects. It also contains an explanation of...

Gravity relentlessly pulls us toward Earth's surface. Everything we do requires us to expend energy, and much of that energy goes toward our struggle against gravity. Despite the powerful force that gravity exerts, we...