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    Twin Cities Public Television
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    This outdoor activity (on page 2 of the PDF under SciGirls Activity: Sand Dunes) is a full inquiry investigation into how the amount of moisture in a sand dune relates to the number of plants...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture. Learners also...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    Climate Change North
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    In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what...

    1 cent - $1 per group Ages 8 - 14 2 to 4 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area. They also look for differences between...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool. Learners will make four model Saguaro nests out of...

    $10 - $20 per group Ages 8 - 14 1 to 7 days