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Showing results 61 to 80 of 150

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In this plant science activity, learners role play as vegetables and weeds competing for nutrients.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners put on their naturalist hats and explore the world around them.


free Ages 8 - 14 2 to 4 hours
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

$1 - $5 per group Ages 14 - 18 2 to 4 hours
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In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners make three different "seed" types and determine which design flies the farthest.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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In this outdoor activity/field trip, learners explore an aquatic site such as a pond, lake, stream, river or seashore to find and investigate plants and animals that live in water.

$5 - $10 per group Ages 6 - 11 1 to 2 hours
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In this activity, young learners will make their own flower seed nursery in an egg carton.

$1 - $5 per group Ages 4 - adult 1 to 4 weeks
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In this outdoor activity, learners find, count and compare as many different kinds of animals as they can find in two different areas: a managed lawn and a weedy area.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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This lesson introduces learners to the world of nematodes (roundworms).

$1 - $5 per group Ages 14 - 18 1 to 7 days
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity that can be combined with a hike, learners try to match a "mystery community" by shaking animals out of different trees and shrubs.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of powdery

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity (on pages 18-28), learners explore how the shape of seeds affects how they are dispersed by wind, birds, ocean currents and other means.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners create a biosphere in a baggie.

$1 - $5 per student Ages 4 - 11 1 to 7 days
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In this indepth hands-on activity, learners build a structure that allows them to observe the growth of roots and the correlation between root growth and stem extension.

$10 - $20 per group Ages 8 - 14 1 to 4 weeks
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In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.

$10 - $20 per group Ages 6 - 14 45 to 60 minutes
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In this activity, learners explore how engineers work to solve the challenges of a society, such as efficient planting and harvesting.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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By participating in a seed scavenger hunt, learners examine many adaptations of seeds, including how many seeds a plant makes, how those seeds travel to new locations, and what protects them from pred

$1 - $5 per group Ages 8 - 18 45 to 60 minutes