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Showing results 1 to 11 of 11
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Metal Reactions
Source Institutions
This is written as a static display, but can easily be adapted to a hands-on experiment for learners to conduct.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-485.gif?itok=Nu53udsZ)
Human Battery
Source Institutions
Learners place their hands on different metals and use an ammeter to monitor the flow of electricity from one metal to another.
![](/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-000-000-001-444.gif?itok=6-9kq9fk)
Electrolysis
Source Institutions
Learners observe two joined glass tubes containing a conductive salt solution. Electrodes are passing an electric current through the water.
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Exploration Tank
Source Institutions
This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere.
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Liesegang Rings
Source Institutions
This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-431.gif?itok=Tbnzkpck)
Silver Crystals
Source Institutions
This is written as a static display, but can easily become a hands-on experiment for learners.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-669.jpg?itok=3PAuiOaN)
Your Father's Nose
Source Institutions
In this fun optics activity, learners explore principles of light, reflection (mirrors), and perception. Learners work in pairs and sit on opposite sides of a "two-way" mirror.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-060.png?itok=29EQjv90)
Mix-N-Match Light
Source Institutions
This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-674.jpg?itok=WljRWpIg)
Colored Shadows
Source Institutions
In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-617.png?itok=F6jIuIlT)
Cafe Wall Illusion
Source Institutions
In this fun and interactive online exhibit, the straight lines of a tile wall appear to curve. The learner moves the rows of tiles and changes the color of the grout to achieve the intriguing effect.