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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 weather forecasting activity, learners use common materials to construct a rain gauge and measure daily, monthly, and yearly rainfall.

1 cent - $1 per student Ages 6 - 14 30 to 45 minutes
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In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this math game (Page 17 of the Are You Game? PDF), learners investigate probability by tossing coins.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners review and discuss weathering, erosion and mass wasting, to gain a stronger understanding of how Hickory Run’s Boulder Field was formed after the Laurentide Continental Glac

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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This is an activity (located on page 3 of PDF under Where's Nano? Activity) about identifying nanoscale objects and phenomena in today's world.

free Ages 8 - 14 1 to 7 days
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In this design-based lesson, learners study flood dynamics as they modify a riverbed with blockages or levees to simulate real-world scenarios.

Over $20 per group Ages 11 - 14 1 to 2 hours
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In this lesson, learners are challenged to discover the relationship among six numbers.

free Ages 11 - 18 30 to 45 minutes
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Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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This activity helps learners visualize the Human Immunodeficiency Virus (HIV) by constructing three-dimensional HIV particle models from paper.

1 cent - $1 per student Ages 8 - 18 1 to 2 hours
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This lesson focuses on how nanotechnology has impacted the design and engineering of many everyday items from paint to fabrics.

Over $20 per group Ages 8 - 18 1 to 2 hours
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Learners develop awareness and understanding of the daily air quality using the Air Quality Index (AQI) listed in the newspaper or online.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to breathe.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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Learners design their own experiment to determine conditions that either help or hinder the decomposition of carrots by soil microbes.

$10 - $20 per group Ages 11 - 14 1 to 4 weeks
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Learners investigate how drag affects the falling rate of objects.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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This fun and simple hands-on astronomy activity illustrates the path of light as it reflects off of mirrors and how this is used in telescopes.

$5 - $10 per group Ages 6 - adult 5 to 10 minutes
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This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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This is an activity about discovering the colors and beauty of nature. Learners will spend time outdoors, matching paint chip samples, colored paper, or colors of clothing to those found in nature.

$1 - $5 per group Ages 4 - 14 30 to 45 minutes
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In this activity, learners examine raindrop bottles (prepared ahead of time) to observe in slow motion the behavior of falling droplets and explore concepts such as drag and terminal velocity.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes