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In this activity, learners are asked to examine the differences between two materials in a pair.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
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In this activity learners will investigate magnetic and non-magnetic items in a sensory bottle.

$10 - $20 per group Ages 4 - 6 10 to 30 minutes
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In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called 'Clippy Island.' L

$10 - $20 per group Ages 11 - adult 45 to 60 minutes
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In this activity, learners sort different natural phenomena into categories (they occur on Earth, on the Moon, or on both), and then model how energy moves during a quake using spring toys.

$10 - $20 per group Ages 6 - 18 5 to 10 minutes
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In this math lesson, learners make wallets or purses and then participate in a variety of money-related activities. First, learners make their own paper money and paper wallets or purses.

$10 - $20 per group Ages 4 - 6 1 to 2 hours
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In this activity, learners explore the unique challenges in transportation engineering, such as devising a method for skiers or hikers to get to the top of a mountain.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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Using electrolysis, learners produce hydrogen gas and oxygen gas from water molecules in a solution.

$10 - $20 per group Ages 6 - adult Under 5 minutes
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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners are challenged to calculate their own weight on various planets using a scale and calculator. Older learners may be challenged to do so without using calculators.

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
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In this experiment, learners discover how an airfoil creates lift. Learners use simple materials to build an airfoil and test it at different angles to investigate Bernoulli's principle.

$10 - $20 per student Ages 8 - 11 45 to 60 minutes
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In this activity and/or field trip, learners investigate the water currents that aquatic animals create when they breathe, feed, and propel themselves through water.

$10 - $20 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how engineers work in a team to solve problems.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how wind tunnels provide feedback to engineers about the performance and durability of products such as planes, cars, and buildings.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners explore the engineering behind life vests or personal flotation devices and the challenges met by these devices.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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In "Chemistry Makes Scents," participants use their noses to distinguish between chemicals with very similar structures.

$10 - $20 per group Ages 6 - adult 5 to 10 minutes
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In this activity, learners use chemistry to produce weathered "antiqued" paper with burned edges. Learners first soak white paper in coffee and then apply a charring solution of ammonium chloride.

$10 - $20 per student Ages 8 - adult 2 to 4 hours