Search Results
Showing results 181 to 200 of 209
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-659.jpg?itok=oyaLhCcc)
Sand, Plants and Pants
Source Institutions
In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-204.png?itok=i9iunUmA)
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-000-000-001-238.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-000-000-003-856.png?itok=iJuzU5Jf)
Monitoring Amphibians
Source Institutions
In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-602.png?itok=kUtNopFB)
Creating a Local Field Guide
Source Institutions
In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.
![](/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-000-000-002-729.jpg?itok=hsuLpP1d)
Oil Spot Photometer
Source Institutions
In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-572.png?itok=9bRuuKz1)
Stick to It: Adhesion II
Source Institutions
Water sticks to all kinds of things in nature — flowers, leaves, spider webs - and doesn't stick to others, such as a duck's back.
Butterflies in Space
Source Institutions
The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.
![](/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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-311.jpg?itok=wm4MCnTf)
Off Base
Source Institutions
In this activity, learners explore the factors that tend to resist changes in pH of the ocean and why the ocean is becoming more acidic.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-671.gif?itok=C9PWgzD2)
Biomimicry: Synthetic Gecko Tape Through Nanomolding
Source Institutions
In this activity/demo, learners examine a synthetic gecko tape with micron sized hairs that mimics the behavior of the gecko foot.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-310.jpg?itok=AVrWKFeV)
Stabilization Wedges Game
Source Institutions
This game introduces learners to the scale of the greenhouse gas problem, plus technologies that already exist to dramatically reduce our carbon emissions and prevent climate change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-428.jpg?itok=YKEL--dw)
Heat Capacity: Can't Take the Heat?
Source Institutions
Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-024.jpg?itok=TaE0pdmd)
Fossil Rocks
Source Institutions
In this activity, learners will discover how fossils are dug out of the earth by carefully exposing treasures hidden in an artificial rock that is easily made at home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-310.gif?itok=IwfxyR9b)
Acid Rain Eats Stone!
Source Institutions
This display shows the dangers of acid rain on buildings and other structures as two concrete bunny rabbits are disintegrated by sulfuric acid. Learners scrape chalk onto the concrete bunnies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-269.jpg?itok=AxGbsEvS)
Weather Vane and Anemometer
Source Institutions
In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-312.png?itok=NTdYbG5m)
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-000-000-005-087.jpg?itok=UaIbaKTP)
Bird Watching
Source Institutions
In this activity, learners will observe birds in their backyard or local park. They will attempt to find common Ohio birds and will look for bird behaviors just like an ornithologist.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-010.png?itok=4wJeuA4m)
The Dead Zone: A Marine Horror Story
Source Institutions
In this environmental science and data analysis activity, learners work in groups to track a Dead Zone (decreased dissolved oxygen content of a body of water) using water quality data from the Nutrien