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Showing results 81 to 92 of 92
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Sawing Away
Source Institutions
In this outdoor activity, learners saw sections from fallen trees, then count tree rings and look closely at patterns of tree growth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-210.png?itok=m-o95KID)
Out of Control
Source Institutions
In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-238.png?itok=PDf5gZA0)
Logs to Soil
Source Institutions
In this outdoor activity, learners cut through and investigate rotten logs and then make log-profile puzzles for each other.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-826.png?itok=-u8CupLG)
Leaf Living
Source Institutions
In this outdoor fall activity, learners find out what living in or under a layer of leaves is like.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-832.png?itok=UfVarLBF)
Can Fishing
Source Institutions
In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-239.png?itok=HNOLB5T_)
Trail Construction
Source Institutions
In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.
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For the Birds
Source Institutions
In this outdoor activity, learners turn the fun of feeding wild birds into an investigation of bird behavior.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-205.png?itok=gSzMiZhd)
The Old White Sheet Trick: Light and Insect Behavior
Source Institutions
In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers.
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Wintergreen
Source Institutions
In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-058.png?itok=_9ET43T9)
Junk-in-the-Box
Source Institutions
In this outdoor activity, learners explore how a surprising number of animals use human-made litter, such as cans and crumpled paper, to find food and shelter in their environment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-538.png?itok=562LXQBh)
Dinosaur Bone Experiments
Source Institutions
This activity features two connected hands-on activities about dinosaur bones.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-896.png?itok=7NqDIqZ7)
Habitats of the Pond
Source Institutions
In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.