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Quicksand (also known as sinking sand) is a colloid consisting of fine granular material (such as sand, silt or clay) and water. It forms in saturated loose sand when the sand is suddenly agitated. When water in the sand cannot escape, it creates a liquefied soil that loses strength and cannot support weight.
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Sep 7, 2023 · Quicksand forms when upward-flowing water reduces the friction between sand particles, causing the sand to become "quick." Quicksand is solid ground that has been liquefied by a saturation of water. The "quick" refers to how easily the sand shifts when in this semiliquid state.
- Kevin Bonsor
Dec 4, 2019 · Quicksand is a mixture of two phases of matter that pack together to produce a surface that looks solid but collapses from weight or vibration. It can be a mixture of sand and water, silt and water, clay and water, sediment and water, or even sand and air.
- Anne Marie Helmenstine, Ph.D.
May 23, 2016 · Quicksand is a shear-thinning non-Newtonian fluid that looks like a gel when undisturbed but quickly drops in viscosity once an object rests its mass. Quicksand is a mixture of sand or...
Quicksand is a sloshy mixture of sand and water that appears solid when viewed from above, but will collapse into a more liquid form if a heavy object, like a human or animal disturbs...
Jul 3, 2006 · Quicksand is a mixture of sand and water, or sand and air, that looks solid, but becomes unstable when disturbed by any additional stress. In normal sand, grains are packed tightly...
Sep 28, 2005 · Researchers in the Netherlands and France studied quicksand, a combination of fine sand, clay, and salt water. At rest, quicksand thickens with time, but it remains very sensitive to small...
