Why does ice float in water? - George Zaidan and Charles Morton

View full lesson: http://ed.ted.com/lessons/why-does-ice-float-in-water-george-zaidan-and-charles-morton Water is a special substance for several reasons, and you may have noticed an important one right in your cold drink: ice. Solid ice floats in liquid water, which isn't true for most substances. But why? George Zaidan and Charles Morton explain the science behind how how hydrogen bonds keep the ice in your glass (and the polar ice caps) afloat. Lesson by George Zaidan and Charles Morton, animation by Powerhouse Animation Studios Inc. Red Hot Cannonball in Water/Ice. If superpowers were real: Immortality - Joy Lin. How we conquered the deadly smallpox virus - Simona Zompi. Gravity and the human body - Jay Buckey. How to speed up chemical reactions (and get a date) - Aaron Sams. Why do we have to wear sunscreen? - Kevin P. Boyd. How to store water for emergencies (containers and places to put them). What is déjà vu? What is déjà vu? - Michael Molina. Urbanization and the future of cities - Vance Kite. What is chemical equilibrium? - George Zaidan and Charles Morton. Myths and misconceptions about evolution - Alex Gendler. Why do competitors open their stores next to one another? - Jac de Haan. How polarity makes water behave strangely - Christina Kleinberg. The science of stage fright (and how to overcome it) - Mikael Cho. Situational irony: The opposite of what you think - Christopher Warner.

by TED-Ed

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