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    This is a quick activity (on page 2 of the PDF) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects. Learners will use clear...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into raising livestock. Groups of learners will each pick an animal they might like to raise, make a chart of the...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    In this health and fitness activity, learners focus on the importance of daily physical activity, specifically walking. Learners use a simple method to measure their stride lengths and then...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7. Learners then categorize plastics based on characteristics...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this engineering activity, learners build a device (an anemometer) to measure how fast the wind is blowing. Learners are encouraged to brainstorm, build, redesign/rebuild, collect data and...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this quick activity about pollutants and groundwater (page 2 of PDF), learners build a model well with a toilet paper tube. Learners use food coloring to simulate pollutants and observe how they...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    In this activity about molecular diffusion (located on page 2 of the PDF), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandwich bag. The process of...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    In this activity (page 2 of PDF), learners will model how caves are formed by placing one piece of chalk in a cup of vinegar and another piece in a cup of water, then watch and record their...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    In this activity (page 2 of PDF), learners will measure the rate at which water streams out of a leaky cup. Learners mark the side of the cup every 10 seconds while water streams out of a hole at...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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