Sometimes simple is just better. A set of activities teaches young mathematicians about using plausible estimation to solve problems. They break problems down to simpler problems, use rounding and estimation strategies, and consider...

With this design challenge, students can build a wind-powered turbine that can pump water up from the ground. This site contains tips to complete the design challenge as well as a place for students to document their engineering design...

On this site, there is a challenge for students to engineer a machine that converts wind power into mechanical energy. This site also includes a lesson plan, tips, and a place for students to document their engineering design process.

Powered by the wind watch your boat move through the water. This challenge has students making a boat using simple household materials. The website also includes tips, a lesson plan, and a place for students to document their engineering...

Students will construct a graph and a regression model which shows the relationship between wind speed and the force of the wind. The students will analyze the math model that fits the data to make predictions from the model.