Caption: Coin floating on elemental mercury (Hg). Gloved hand placing a British one pound coin into a dish of mercury metal. Mercury is a liquid at room temperature but it still has the density of a heavy metal, being some 13.5 times denser than water. A pound coin is made of copper, zinc and nickel, and is just over half as dense as mercury. As it is less dense, it floats on the liquid metal. For a repeat of the demonstration with water, see clip K003 3935. For the same demonstrations using a brass screw, see clips K003 3931 (mercury) and K003 3936 (water).

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Keywords: british, buoyancy, buoyant, chemical, chemistry, coin, coinage, currency, demonstrating, demonstration, dense, density, dish, education, educational, element, experiment, float, floating, liquid, mercury, metal, metals, physical, physics, pound coin, science, white background

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Coin floating on mercury

K003/3930 Rights Managed

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Duration: 00:00:10

Frame size: 1920x1080

Frame rate: 25

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File size: 448.6M


Capture format: DSLR - AVCHD

Codec: Photo - JPEG

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