Online Science-athon: Catching Sunshine

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Abstract: The Online Science-athon offers elementary and middle-grade students opportunities to discover the science in their daily lives. Presented as challenges, the Science-athon asks students to investigate their world in ways that are engaging and fun, easy for teachers to incorporate into their teaching, and instructive. Students doing Catching Sunshine decide on a container -- tin can, cardboard box, plastic bucket, paper bag, or similar object -- to use as a solar collector. Then they determine how to maximize the amount of sunshine the collector catches by figuring out how to point it, what colors and textures to use on the inside surfaces, and how to insulate it. Reviewing scientific information helps students improve the effectiveness of their collector designs and make predictions about the ones they think will catch the most sunshine. On Catching Sunshine Day, students collect and record data to share with other students doing the challenge. Analysis of their data and data collected by others allows participants to formulate explanations, to check these explanations against scientific knowledge and the explanations and experiences of others, and to put their ideas to practical use.

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