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so sleep alone tonight
My name is ღ||汇嘉||SOPHIAღ. Give me presents! On 22061996 :D [Cancer] [CHRISTIAN] PLMGSS 2.1 I love Aaron (: |
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about this blog
This blog was opened by (SOPHIAARON) to accomodate (SOPHIA)'s Science journal.Do enjoy your stay here, and don't take what's not yours! tagboard
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Videos. (:
-------------Physics------------Liquifaction. How to get out of a quicksand. Math Definitions : What Is Terminal Velocity. Newton's 3 laws of motion. Titration Technique using a burette How to use a pipette. Indroduction to Frictional force. Tacoma Bridge Collapsed! ---------------Chemistry---------- Forensic Video Periodic table song(: Crystal structures: graphite and diamond Chromotography- Separation of MIxtures Separation: Iron from Salt & Sand Mixture Steam Distillation Fractional Distillation Video Video Video Video Video Video Video Video Video Video Video Video Video credits
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Physic- 12
What is Liquifaction?Liquifaction is a made up word, but the process is totally real. If you find some sand that is saturated with water (think shores of the ocean, or on a river bank in a low lying area) you can jump on it. Go up and down a bunch of times and continue jumping while keeping your feet over the same spot each time. Pretty soon, you'll feel the ground start to get soft, and jiggle, and then, you'll sink into it!It's the closest thing to quicksand that you'll find this side of the Sahara and it's tons of fun...that is, until you can't get out and the tide starts coming in. I think quicksands are related to liquifaction too. Do you think so? Soil liquefaction describes the behavior of soils that, when loaded, suddenly go from a solid state to a liquefied state, or having the consistency of a heavy liquid. Liquefaction is more likely to occur in loose to moderate saturated granular soils with poor drainage, such as silty sands or sands and gravels capped or containing seams of impermeable sediments [1]. During loading, usually cyclic undrained loading, e.g. earthquake loading, loose sands tend to decrease in volume, which produces an increase in their porewater pressures and consequently a decrease in shear strength, i.e. reduction in effective stress. source from: http://en.wikipedia.org/wiki/Soil_liquefaction I posted a video under my video link, please take a look at it(: It's about liquifaction. |