Credit: MARTIN SHIELDS/SCIENCE PHOTO LIBRARY

Caption: Powder sprinkled on water floats on the surface because of surface tension caused by polarity and cohesion. A squirt of dish detergent breaks the surface tension and the powder then sinks in the water.

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

Keywords: beaker, chemical bonds, chemistry, cohesion, demo, demonstration, density, detergent, hydrogen bonding, hydrogen bonds, lipid, non polar, non-polar, nonpolar, physics, polarity, powder, science, soap, surface tension, talc, talcum, water, water molecules

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Surface tension

K005/0796 Rights Managed

Downloadable master

Duration: 00:00:37.06

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

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

Original

Capture format: Unknown

Codec: JPEG 2000

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

 

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