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Why does a thick glass tumbler often crack boiling water is poured into it?

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2010-12-02 10:52:18
2010-12-02 10:52:18
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Because the heat of the water makes the particles in the glass vibrate too fast which results in breakage


When hot liquid is poured into a thick glass tumbler, it cracks because the glass is a poor conductor of heat. When hot liquid is poured into the tumbler, the inner surface of the tumbler becomes hot, while the outer surface remains at room temperature. Therefore, the inner surface of the tumbler expands, while the outer surface does not expand. This unequal expansion cracks the tumbler.


A thick Glass tumbler crack when hot water is poured into it,because the inside of the tumbler expands more rapidly than outside and causes strain in the glass As result of this a type of glass known as pyrex is used for making lab beakers and flask to avoid above effects.


Because when the glass on the inside and at the bottom of the tumbler are quickly heated by the water, they expand faster than the adjacent areas of the tumbler and the areas must separate. If the tumbler is heated more slowly before pouring hot water into it, it will not crack.


Matter expands when it is heated. When you pour boiling water into a glass the bottom becomes heated and expands while the rest of the glass is at a different temperature. As the bottom of the glass expands it literally expands and causes stress in the glass that is eventually enough to fracture the bond between the glass molecules, causing a crack. If you heat the glass more evenly it will expand evenly, preventing that stress from happening. Slow and even temperature changes will prevent the breaking.


The inner glass layer expands when hot water is poured into it while the outer layer is still cool, hence the glass cracks


The hot water causes the insides of the tumbler to undergo thermal expansion. However, because glass is a poor conductor of heat, the outside of the glass is still at ambient temperature and so has not expanded. The uneven expansion causes the glass to crack.


Boiling water breaks glass because the heat has no where to escape to. It heats up to boiling point which makes the glass crack and eventually shatter :) xx



Tumblers are vessels typically used for drinking, can be glass or acrylic you are a glass tumbler. ok?


Some glasses break when you pour boiling water in it. To avoid that make sure you read a label that comes with that glass saying it can withstand boiling water or not.


When you pour hot water into a glass bottle, it heats up the glass very quickly. This causes the glass to expand suddenly and the expansion is not uniform over the surface of the glass. The unequal expansion cracks the bottle.This will happen only if the temperature difference is quite high and the glass is weak.It is easier to crack a glass bottle by heating it (like in a dishwasher) and then cooling it immediately by placing it in or under a stream of cold water. Here, the sudden contraction causes the glass to crack.


Put luke-warm water on it. Boiling water will crack glass.


The hot water will increase the temperature of the glass and cause the inside of the gas to expand faster than the outside.This will exert a force on the glass and the glass may crack.


The milk bottle would crack because the hot water would cause the glass particles to vibrate and move apart, this will make the glass expand from the heat and the glass will then shatter.


When the boiling water is poured into a thick cold glass, the inside will expand more rapidly than the outside, so the glass is likely to shatter under the stress. A thin glass may expand throughout rapid enough to avoid shattering. Special glass is used in cookware and in a laboratory to avoid shattering.


As the liquid inside the glass tumbler is cold it condenses the water vapour in the atmosphere. This explains why tiny droplets of water are found on the outer surface of the glass tumbler.


When we pour very hot water into an empty glass, the inner surface of the glass will expand as matter expands when heated. But the inner surface of the glass will expand more than the outer surface of the glass because more heat is applied to the inner surface of the glass.


A tumbler glass is shaped so that the base of the glass is also the bottom of its inside. A footed glass, on the other hand, is connected to a base by way of a stem. The length and width of the stem do not matter.


If we pour hot tea in glass tumbler the tumbler will expand and break off. So to prevent it we keep a metal spoon in it,as it is a conductor of heat it will absorb heat and prevents the glass from breaking.


He got a glass and poured out a drink of water for himself.


The boiling point of glass is around 2230 degrees.


Tumblers and footed glasses are both drinking vessels. A tumbler has a flat bottom that rests on a surface while a footed glass has a stem or feet which it sits on.



Most likely so the glass will not crack as it expands as a result of being heated by a hot solution being poured into it.



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