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    In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community. Learners research such topics as available wind source, cost, noise,...

    free Ages 8 - 14 2 to 4 hours
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    In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry....

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    In this activity, learners explore how to protect their skin while applying pesticides to plants. Learners conduct a series of simulation experiments and discover that some clothing fabrics provide...

    $10 - $20 per group Ages 8 - 14 10 to 30 minutes
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    In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan. Learners...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes
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    In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat. An extension included in this activity guide suggests learners next design and...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    In this plant science activity, learners conduct four experiments to observe how plants respond to sunlight and gravity. Learners record their observations on a data table for five days to note...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    In this activity, learners work in teams to construct and test fly drinking straw rockets. Learners explore how changing the rockets' fins affect flight distance. Learners also practice...

    $1 - $5 per group Ages 6 - 11 10 to 30 minutes
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    In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper. Learners record their observations on an Experiment Log and eventually build...

    1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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    In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air. Learners use a stopwatch to...

    $1 - $5 per student Ages 8 - 11 10 to 30 minutes
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    In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees. After reading and discussing Shel Silverstein's storybook "The...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours

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