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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into bird behaviors. Groups of learners will brainstorm a list of possible behaviors to start, then separate into teams...

    free Ages 8 - 14 2 to 4 hours
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    American Chemical Society
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    In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways. First learners compare the way baking soda...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    This is an activity (located on page 3 of PDF) about identifying nanoscale objects and phenomena in today's world. Learners will break into groups and conduct a "NanoBlitz Challenge,"...

    free Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    In this activity (on page 2 of the PDF), learners will pair up and take a notebook outdoors to a selected location to observe and record a list of living things that they see, writing descriptions...

    free Ages 8 - 14 1 to 2 hours