Descirbe the actions of freezing and thawing of rocks?
475424
I guess you're asking about freeze-driven breaking of rocks, yes? Water gets into cracks, cold weather comes, water freezes, ice expands, rock cracks more and breaks. Same thing as freeze-broken pipes, and what happens to the cells in frostbite.
118956
Liquids expand when they freeze.
348469
Too long to list:\nhttp://seis.natsci.csulb.edu/bperry/ROCKS.htm\ngood site
549327
Freezing water expands.
165682
A complete answer to this question would require a very large book.  You will need better focus for a short answer.\n\nAcids dissolve most minerals and rocks.  Even water dissolves rocks or rock constituents over a long period of time.  There is fabulous erosion in calcium rich rocks creating tunnels and underground chambers...\n\nAcid rain enhances this process greatly.  Virtually all the salts in the oceans came by the erosion of rock salts over aeons of time spent under the never ceasing rainy seasons.\n\nSome conditions are rock forming or metamorphosing, others are rock dissolving.\n\nHeat and cold are also factors in the deterioration of rock, making it more vulnerable to water and acid rain.\n\nThere are many fabulous websites on rocks and minerals and gemstones.  Just Google some of that and you will pull up two or three super-excellent ones.\n\nTry also Googling "rock geological processes."  Keep it in quotes.
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Weathering is the process of disintegration of rocks, soils and their minerals through natural, chemical, and biological processes. It is not to be confused with erosion, which is the movement of rocks and/or weathering products by water, wind, ice or gravity.
53261
salt's chemical composition breaks down bonds at an intermolecular level and lowers the freezing point of water...which is normally 32 degrees Fahrenheit. When the freezing point goes down...it melts
472454
During winter the water at the surface of lake or pond gets cooled.\n\nDue to cooling density of water increases; denser water\ngoes down, while the relatively hot water comes up. This is convection.\n\nBut water has a peculiar property that below 4 degree C it becomes less dense.\n\nTherefore when the surface temperature is 4degree and below, the water at the surface cannot go down. Hence convection of water is stopped. \n\nThe temperature increases relative to water surface.  If the temperature of the water surface reaches freezing temperature, ice is formed on the surface and the freezing takes place from top to bottom.\n\nThus lives of water living creatures are saved from freezing.
243560
Well, if it's frozen, then it's not very condusive.  I'd say (from personal experience) that a freshly dropped one has the best chance of conducting just about anything, thermal or nonthermal.  It's the worst during the summer when the pile appears to be dried out and you step on it only to realize that the top crust  is very thin.
169888
Yes, it does.  This is evident by water freezing in enclosed containers (such as pipes) and deforming them, sometimes even rupturing them.  \n\nWhen water molecules become cold enough to freeze, or change into a solid form, their crystal structure is less dense than when in liquid form.  This is due to the inherent shape of the water molecule and how the molecules line up in solid form.\n\nIf you live in a colder climate, it's a standard procedure to drain any remaining water out of things kept outside over the winter, such as boats, swimming pools, outdoor water pipes, etc.  Otherwise you can almost expect them to be ruined by the time you want to use them again.
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Snow is water molecules clinging to each other in the atmosphere, then falling to earth. Frost is water molecules freezing (thus clinging) to a foriegn solid mater.
188192
snow is a form of precipitation and ice is frozen precipitation.
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With ribbons in the structure (where the pressure changed the rock) just like gneiss\nWith sheets in the structure (also caused by pressure) just like schiste\nWithout ribbons or sheets (where heat changed the rock) just like marble
40688
From what choices? There are a few erosion processes connected to glacial erosion. \nRock Failure\nPlucking\nAbrasion\nand even fluvial erosion called glaciofluvial erosion.\n\nHere are some examples:
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This is what happens if you start freezing a glass of sea water: it will start to freeze at a lower temperature than fresh water (around -4 C, but variable depending on the salinity you start with). \nImportant, the salinity of the ice formed is almost pure water (it is not salty). Some salty water may be trapped on the ice though, but the ice itself is fresh water. If you keep lowering the temperature, more ice will form and the remaining salty water gets even saltier. This process will continues until an eutectic is reached and then you will have a fast crystallization of ice, a mineral called hydrohalite. This eutectic is about -21 C, but depends on other components, like Mg, Ca that are also abundant in the composition of sea water.
800807
of course stones can be melted , heat them till they reach melting point (which depends on their components) and they will melt and form lava with the same chemical composition , this can be done in labratories .. and you can cool the melt again to form a hard rock .. quick cooling = fine grained rock with the same composition of course or slow cooling = course grained rock ..
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Curl is how much a rock moves side to side while travelling down the ice.  It is determined by the spin given to the rock.  Brushing the ice melts the surface, reducing friction between the ice and the rock.  Less friction, more velocity, less curl.