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    Lawrence Hall of Science
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    En esta actividad, Mateo y Cientina enseñan a usar modelos para ver las causas de las fases lunares. Usando un foco de lámpara, una naranja y sus cabezas para representar el sol, la luna y la...

    free Ages 8 - 14 5 to 10 minutes
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    WGBH
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    In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households. Use this...

    free Ages 6 - 11 45 to 60 minutes
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    PhET
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    In this online activity, learners adjust mountain snowfall and temperature to see how glaciers grow and shrink. They will use scientific tools to measure thickness, velocity and glacial budget....

    free Ages 8 - adult 10 to 30 minutes
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    National Optical Astronomy Observatory
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    In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database. This popular program has generated 100,000...

    free Ages 4 - adult 10 to 30 minutes

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