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Design a windmill that can harness the power of the wind.

For centuries, people have used windmills to harness the power of the wind for such tasks as grinding grain and pumping water. Even today, some propose using wind farms as a form of "green" energy. Through this activity, participants act as design engineers, focusing on the testing and redesign parts of the engineering design process. They will learn about independent variables and data-driven design by testing various blade designs and configurations and placing them in a wind stream.

Supplemental Material

• Worksheet (pdf)
• Educator's Guide (pdf)