Search Results
Showing results 21 to 40 of 130
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-308.gif?itok=UpyYa441)
Lava Lamps
Source Institutions
Learners observe working lava lamps to understand how they work (included in PDF link).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-293.png?itok=4GDDC7AY)
Rock Pioneers
Source Institutions
In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-278.jpg?itok=h2zGCQN8)
Healthy Habitats Have Native Plants
Source Institutions
In this activity, learners help identify native and non-native plant species, learn about invasive species, and determine how native plants provide a healthier habitat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-318.png?itok=GBOcABjZ)
Desert Water Keepers
Source Institutions
In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-059.jpg?itok=9DeXgLNH)
Folding Matters
Source Institutions
In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-248.jpg?itok=GJOBORD1)
Newton's Cradle
Source Institutions
Build your own version of the classic physics toy using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-963.jpg?itok=RciVrbss)
Sail Away
Source Institutions
In this activity, learners explore watercraft engineering and sailing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-975.jpg?itok=zQZQw7PD)
Engineer a Dam
Source Institutions
In this activity, learners explore the function and engineering of dams and how dams have many uses and solve many problems in the world.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-949.jpg?itok=LNNqxyqE)
Tinkering with Tops
Source Institutions
In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-769.jpg?itok=zm1bNgp6)
Stiff Bones, Bendy Bones
Source Institutions
Bones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-503.jpg?itok=pBMveUuL)
Exploring Materials: Hydrogel
Source Institutions
In this activity, learners discover how a super-absorbing material can be used to move a straw.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-116.jpg?itok=pjKZJLKD)
Spectroscope
Source Institutions
In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-214.jpg?itok=_8PNqJQO)
Guar Gum Slime
Source Institutions
In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-200.jpg?itok=NY-jH17-)
Dress Like a Frog
Source Institutions
In this activity, learners will discover what it takes to be a frog. By dressing up like one, learners can visualize how each part of the frog plays an important role in surviving its habitat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-648.jpg?itok=OAY2Yu88)
Altered Reality
Source Institutions
In this activity, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.
What Molecules Make the Holes in Bread?
Source Institutions
In this activity, learners will discover why there are holes in bread.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-570.gif?itok=0bFvmKdA)
Glow Up
Source Institutions
In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-217.jpg?itok=v3XGqZky)
Newton Car
Source Institutions
In this activity, learners work in teams to investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-662.jpg?itok=LyIWZJaB)
Biobarcodes: Antibodies and Nanosensors
Source Institutions
In this activity/demo, learners investigate biobarcodes, a nanomedical technology that allows for massively parallel testing that can assist with disease diagnosis.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-783.jpg?itok=CrxoOyj1)
Water Underground
Source Institutions
Many people get water from a source deep underground, called groundwater.