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Showing results 981 to 1000 of 1480

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In this activity, learners discover which plants and animals have symbiotic relationships and how this impacts each organism.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners are challenged to lift a floating ice cube out of a glass of water using just one end of a piece of string.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

1 cent - $1 per student Ages 6 - 14 30 to 45 minutes
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In this health activity (on page 3 of the PDF), learners will learn about the body‘s defenses against invasion from tiny particles.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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Using simple, inexpensive items, learners build and test submarine models.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
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In this activity (page 89 of the PDF), learners compare and contrast pitch and roll motions by using a Magic Carpet maze similar to one that was used for Neurolab investigations about microgravity.

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners explore liquid crystal thermometers to observe how heat flows by conduction, convection, radiation, and evaporation.

$5 - $10 per student Ages 11 - 18 45 to 60 minutes
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In this activity (on page 146 of the PDF), learners will explore the effects of increased carbon dioxide in the bloodstream.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this quick and simple activity, learners explore how the distribution of the mass of an object determines the position of its center of gravity, its angular momentum, and your ability to balance it

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners use a tuning fork to explore how the Doppler effect works.

$5 - $10 per group Ages 11 - 18 5 to 10 minutes
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In this activity, learners build a bird feeder or feeders to attract birds for observation.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

free Ages 4 - adult 10 to 30 minutes
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This lesson focuses on how to measure at the nanoscale and provides learners with an understanding how small a nanometer really is.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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This activity offers learners and their families several ways to raise their awareness together about home water.

free Ages 4 - adult 1 to 7 days
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No glue is needed for learners of any age to become marshmallow architects or engineers.

1 cent - $1 per student Ages 4 - 14 30 to 45 minutes
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In this demonstration, learners compare and contrast regular water ice to dry ice (frozen carbon dioxide). Both samples are placed in a solution of acid-base indicator.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes