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No one puts the laws of physics to the test quite like the urban skateboarder. Join us for a closer look at the science behind the tricks of the sidewalk-shredding trade, from the basic ollie to high-flying aerial maneuvers.

Project: Science in the City | Browse All

Date: March 23, 2011
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science
Running Time:
00:04:51
A detailed demonstration of how to do the Color Chromatography activity, which lets you see the colors hidden in black ink. Includes a discussion of materials needed.

Project: AfterSchool Activities | Browse All

Date: September 10, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Chemistry
Running Time:
00:01:12
An introduction to an activity that lets you discover the secret colors hidden in black ink. With a paper towel, a black marker, and a cup of water, create a rainbow of colors while exploring capillary action and chromatography.

Project: AfterSchool Activities | Browse All

Date: September 9, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Chemistry
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.

Project: AfterSchool Activities | Browse All

Date: September 9, 2009
Format: Expedition
Category: Everyday Science
Subject(s): Chemistry, General Science