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Afterschool Activities
Ice Balloons Activity: What's Going On (Video)
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Date: September 2, 2009
Running Time: 00:01:03
The science and pedagogy behind this activity, including a discussion of concepts such as density, temperature, thermal conductivity, center of mass, freezing point depression, heat capacity, and the characteristics of the states of water, water vapor, and ice. Also describes strategies for observing, asking questions, and then choosing a question ... More »
Learn activities from the Exploratorium's Digital Library by watching how-to videos. Great for after school programs or at-home fun.

Featured

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 ...

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 ...