"Wind Chill Factor" Trailer

Students discover how evaporation of water and rubbing alcohol can feel in the wind. They also make their own device to measure wind speed (a pinwheel). This relates to humidity, wet and dry bulb temperature, evaporation, evaporative cooling, and simple machines. This video also includes one of Mr. Mac’s crazy stories, “The Minion Snakes,” to help students remember the lesson. Difficulty: Easy

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Note: All activities in this lesson should be performed with adult supervision. Likewise, common sense and care are essential to the conduct of any and all activities, whether described in this lesson or otherwise. Parents or guardians should supervise children. Rock-it Science assumes no responsibility for any injuries or damages arising from any activities.