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Afterschool Activities
Color Chromatography Activity: What's Going On (Video)
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Date: September 9, 2009
Running Time: 00:01:33
Explore the science behind this activity, including capillary action (how the water moves up the paper) and chromatography, or how different elements of the ink are carried along at different rates, allowing you to see that black ink is actually made up of many different colors.
Learn activities from the Exploratorium's Digital Library by watching how-to videos. Great for after school programs or at-home fun.

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Archive

00:04:51
Color Chromatography Activity: Step-by-Step Demonstration (Video)
9/10/2009   
A detailed demonstration of how to do the Color Chromatography activity, which lets you see the ...
 
00:00:51
Cup Speaker Activity: Introduction (Video)
9/10/2009   
An introduction to how to make your own simple speaker, which transmits sound from a radio or M ...
 
00:06:43
Cup Speaker Activity: Step-by-Step Demonstration (Video)
9/10/2009   
A detailed demonstration of how to make a cup speaker, including a discussion of materials nee ...
 
00:02:25
Cup Speaker Activity: What's Going On (Video)
9/10/2009   
The science behind the Cup Speaker activity, including how electromagnets work, and how in this ...
 
00:01:12
Color Chromatography Activity: Introduction (Video)
9/9/2009   
An introduction to an activity that lets you discover the secret colors hidden in black ink. W ...