Saturday Morning Science Experiment: Alka-seltzer lava lamp

Maggie Koerth 9:23 am Sat Mar 13, 2010

Intermolecular polarity is a fancy way of saying "oil and water don't mix". Here, Science Bob explains why, and shows off a fun trick you can do over and over with oil, water, food coloring and alka-seltzer.

Thumbnail courtesy Flickr user ncfc0721, via CC

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