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Showing results 61 to 80 of 264

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In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this outdoor activity, learners use artificial bees and paper models of flowers to find out how bees transfer pollen from one flower to another.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity (page 2 of PDF under GPS: Garbology Activity), learners will prepare sheets of homemade recycled paper from several different source pulps.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this activity, learners cook amino acids and sugar to explore the range of aromas released.

$10 - $20 per group Ages 6 - 14 Under 5 minutes
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In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes.

$10 - $20 per group Ages 6 - 14 Under 5 minutes
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Build your own version of the classic physics toy using simple materials.

$10 - $20 per student Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the function and engineering of dams and how dams have many uses and solve many problems in the world.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners work in NASA teams to build balloon-powered rockets using identical parts and compete to launch the greatest number of paper clips to "space" (the ceiling).

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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This laboratory exercise is designed to show learners how DNA can be extracted from a chunk of thymus (sweetbread) or liver.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
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In this activity (p.7-8 of PDF), learners examine fossil formation.

$10 - $20 per group Ages 8 - 11 10 to 30 minutes
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In this outdoor activity/field trip, learners catch and observe water striders to explore their movement and feeding behaviors.

$10 - $20 per group Ages 6 - 14 1 to 2 hours
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In this activity, learners explore motion, energy, and electricity by constructing bottle cars that run on motors.

$10 - $20 per student Ages 11 - 18 45 to 60 minutes
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Using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, learners study the role of light in photosynthesis.

$10 - $20 per group Ages 14 - 18 1 to 7 days
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In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems.

$10 - $20 per group Ages 11 - 14 4 to 24 hours
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In this activity, learners discover the relationship between temperature and pressure in the lower atmospheres of Jupiter and Earth.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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In this cooperative learning activity, learners visit ten stations and are challenged to think critically about various conservation questions and issues.

$10 - $20 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners explore how pneumatics and hydraulics could be used to produce movement in a robotic arm.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes