Credit: SCIENCE PHOTO LIBRARY MOTION

Caption: Screw floating on elemental mercury (Hg). Gloved hand placing a brass screw 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. Brass is an alloy of copper and zinc, and is around 8.5 times denser than water. As it is less dense than mercury, it floats on the liquid metal. For a repeat of the demonstration with water, see clip K003/3936. For the same demonstrations using a British pound coin, see clips K003/3930 (mercury) and K003/3935 (water).

Release details: Model release not required. Property release not required.

Keywords: brass, buoyancy, buoyant, chemical, chemistry, demonstrating, demonstration, dense, density, dish, education, educational, element, experiment, float, floating, glove, gloved, hand, lab, laboratory, liquid, man, mercury, metal, metals, physical, physics, protective clothing, science, screw, technician, white background

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Screw floating on mercury

K003/3931 Rights Managed

Downloadable master

Duration: 00:00:16

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 660.0M

Original

Capture format: DSLR - AVCHD

Codec: Photo - JPEG

Please contact Science Photo Library if you require the original, or other formats.

 

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