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Currently Working: Testing Conductivity
Source Institutions
Visitors test solutions of water, sugar, salt, and hydrochloric acid and the solids salt and sugar. They clip leads from the hand generator to wires immersed in each substance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-736.jpg?itok=BWWpSKeL)
Odors Aloft
Source Institutions
Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-889.gif?itok=a2dseEnc)
First Impressions
Source Institutions
Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-114.png?itok=QrozW1sb)
Lost Labels
Source Institutions
In this experiment, learners will conduct chemical and physical tests to identify mystery substances.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-937.gif?itok=_lw-mQHU)
Tie Dye Painting
Source Institutions
This is an activity exploring color and color mixing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-479.jpg?itok=dcij08Fa)
Make Your Own DNA
Source Institutions
Learners match puzzle pieces to outlines of a DNA strand. The puzzle pieces represent the four chemicals making up DNA base pairs: adenine, thymine, guanine, and cytosine.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-632.jpg?itok=qYSK0aTN)
Rhythm Painting
Source Institutions
In this activity, early learners create paintings by making music and rhythm. Learners place paper in cans, add paint-soaked beans (or pebbles) and put the tops on.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-000.gif?itok=QpDpG7O6)
Starch Breakdown
Source Institutions
Learners use Benedict’s solution and heat to test for the presence of simple sugars in glucose, sucrose, starch, and starch combined with amylase.