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    Twin Cities Public Television
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    In this activity, learners compare ways to measure their heart rates. Learners build their own stethoscopes and learn how exercise affects heart rate.

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF under GPS: Baseball Activity) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee....

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    The Maryland Zoo in Baltimore
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    Use the Zoo Calendar (page 1 of PDF) to involve learners in interdisciplinary, whole language, and writing activities about ecological concepts. Each 30-45 minute activity emphasizes the concept of...

    $5 - $10 per group Ages 6 - 11 1 to 4 weeks

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