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Showing results 721 to 740 of 1735

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In this outdoor activity/field trip, learners conduct experiments to explore where dragonflies and damselflies perch or rest, and how the flies change behavior in reaction to other flies or fly decoys

$5 - $10 per group Ages 6 - 18 45 to 60 minutes
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Learners imagine they are paleontologists in Florida, where they find (remove from envelope) paper "fossils" of some unknown creature, only a few at a time.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

Over $20 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners gain knowledge about how carbon moves through all four of the Earth’s major spheres (biosphere, hydrosphere, atmosphere, and lithosphere), and understand how humans influenc

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.

$5 - $10 per student Ages 11 - 18 45 to 60 minutes
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In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, use standard playing cards to introduce learners to cellular interactions such as cell to cell recognition and signal and receptor specificity.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes
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In this activity, learners examine nanoscale structures of common things.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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Learners create a tool to measure how well they grip a wet object when their fingers are smooth versus wrinkly. Are smooth or wrinkly fingers better at holding on to the object?

1 cent - $1 per student Ages 11 - 14 45 to 60 minutes
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Learners observe and discuss a vacuum cleaner as a model of a baghouse, a device used in cleaning industrial air pollution.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners will observe and record living things with in outlined outside space.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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In this activity, learners make a photographic image—without a camera!

$5 - $10 per student Ages 6 - 18 30 to 45 minutes
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In this simulation of synapses, learners act out communication at the neural level by behaving as pre-synaptic vesicles, neurotransmitters, post-synaptic receptors, secondary messengers and re-uptake

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this online activity about anatomy, learners will drag and drop pieces of the heart into their proper positions and explore what function each part of the heart has.

free Ages 11 - 18 Under 5 minutes
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In this activity, learners use sound to figure out, or infer, the position of objects. Learners create a maze inside a shoebox with blocks of wood.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes