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    The Exploratorium
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    This activity is an investigation of static electricity. What happens when you get "static cling?" Basically, you pile up electrons on one thing, which attracts the protons in something...

    1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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    University of Nebraska State Museum
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    This activity (on pages 7-13) has pairs of learners survey an array of similarities and differences between them. The differences survey worksheet focuses on genetically inherited physical features...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this movement and measurement activity, learners jump as far as they can three times, and compare their longest jump to the longest jump of their friends, classmates and/or family members....

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity. Learn the science behind bad hair days, and learn how hair increases its...

    $1 - $5 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 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects. Learners each take a single hair...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    Twin Cities Public Television
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    In this quick activity (on page 2 of the PDF under GPS: Body Electricity Activity), learners will observe how dry breakfast cereal appears to dance when it gets close to a balloon charged with...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes