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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 activity, learners explore the difference between compact fluorescent light (CFL) bulbs and traditional incandescent bulbs. Learners examine which light bulbs are more energy efficient by...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    In this physical sciences activity, learners explore how passive solar design increases energy efficiency. Learners test paperboard models of different building designs to discover how the design...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition. Groups of learners will carefully observe and record the appearance of items,...

    $10 - $20 per group Ages 8 - 14 1 to 4 weeks
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    This activity (page 3 of the PDF under SciGirls Activity: Dinosaurs) is a full inquiry investigation into fossil hunting and identification. Groups of learners will sift through a commercially...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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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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    This activity (on page 2 of the PDF under SciGirls Activity: Pet Handedness) is a full inquiry investigation into whether pets show a preference for the left or right paw, or “handedness” like...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    In this activity (page 1 of PDF under SciGirls Activity: Forecasting), learners will construct an air cannon by cutting a hole in the bottom of a bucket and stretching a garbage bag over the other...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    This activity (on page 2 of the PDF under SciGirls Activity: Forecasting) is a full inquiry investigation into meteorology and forecasting. Learners will research weather folklore, specifically...

    $1 - $5 per student Ages 8 - 14 1 to 4 weeks

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