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Showing results 41 to 60 of 96

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In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation.

Over $20 per group Ages 8 - 18 1 to 2 hours
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This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.

Over $20 per group Ages 14 - 18 1 to 12 months
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In this open-ended multicultural lab activity, learners investigate the effectiveness of herbal remedies.

Over $20 per group Ages 14 - 18 1 to 2 hours
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This lesson is designed to serve as an introduction to the immune system. It can stand alone or it can lead into further studies of the immune system.

Over $20 per group Ages 14 - adult 2 to 4 hours
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In this activity, learners explore accuracy and precision.

Over $20 per group Ages 8 - 18 2 to 4 hours
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In this activity, learners create a map of a hidden surface using a "sounding stick" -- a technique similar to how underwater maps were once made.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board.

Over $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners apply Ohm’s Law to construct voltage divider circuits. Learners discover how to read resistor codes and calculate resistor values.

Over $20 per group Ages 14 - 18 2 to 4 hours
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This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

Over $20 per group Ages 14 - 18 4 to 24 hours
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In this activity, learners explore the concept of valve operation and how engineers have adapted valves for use in mechanical heart valve design.

Over $20 per group Ages 8 - adult 1 to 2 hours
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In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

Over $20 per group Ages 8 - 18 45 to 60 minutes
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In this physics crime lab or demonstration, learners pretend they are criminologists and must find the "muzzle velocity" (speed of the bullet as it leaves the gun) of a gun used to commit a crime.

Over $20 per group Ages 14 - 18 1 to 2 hours
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In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).

Over $20 per group Ages 8 - 18 1 to 4 weeks
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In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases.

Over $20 per group Ages 14 - 18 2 to 4 hours
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This simulation of laparoscopic surgery enables learners to practice and to learn this modern surgical technique.

Over $20 per group Ages 14 - 18 45 to 60 minutes
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In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16" bik

Over $20 per group 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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By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.

Over $20 per group Ages 11 - 18 30 to 45 minutes
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In this activity, learners explore how boats are engineered to achieve speed.

Over $20 per group Ages 11 - 18 2 to 4 hours