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The level of the liquid stays the same : the ice is no longer above the water but it takes up less space as water.

Ice floats, therefore it is less dense than liquid water. (They are both made of H2O.) As the ice melts it becomes denser, using less space for the same about of mass (water is unlike most substances that become less dense as they melt). So if it takes less space for the same mass, the water level goes down. (The actual mass does not change only its form.) However, the volume of ice above the water level is approximately 12.5% of the total). When this melts you will find that its 'extra' volume causes the final level to be the same as the original one.

The science behind this has to do with Archimedes Principle, which states that the mass of the liquid displaced by a floating object is equivalent to the mass of the object. The space taken up by the object under the water is same as the amount of water of the same weight. So in ice cube terms: the volume of the water that the ice cube displaces is the same as the weight of water in the ice cube. Given that these two are exactly the same, the level therefore remains constant.

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Does the glass overflow when its filled to the brim and ice melts?

It depends on how much ice was in the glass and how much water it created as it melted. If the ice displaces enough water to raise the water level near the brim, then it could overflow once the ice melts and adds more water.


Would a glass that was filled to the brim with ice and water would it overflow?

No, a glass filled to the brim with ice and water will not overflow once the ice starts to melt. The ice displaces some of the volume of the water, so there is enough space for the melted ice without overflowing.


When ice cube floating in a tumbler of water melts completely why there is no overflow of water?

Its actually quite simple. The answer would be Anomalous expansion of Water, which means that the volume the Ice cubes are consuming in a glass filled upto the brim is more than water alone. When Ice melts and comes back into water form, it uses lesser volume (space) in the glass. Hence it does not allow the glass to overflow as the person pouring into the glass had poured in keeping into view the level of the ice (which uses more volume).


Will water overflow when the ice in the cup completely filled with water melts completely?

If you are asking if a cup filled with water and ice, when the ice melts, will the water overflow, then the answer is no. As the ice becomes water, then it loses its ability to displace the water that it was first displacing as it was ice. So in the end, the water level won't raise or fall as the ice melts, it just replaces the space it once filled with water, leaving you with a full cup of water.


Will a glass of water filled to the brim with a cube of ice floating in it rise when ice melts?

The water level will decrease slightly when the ice cube melts, but the overall volume will remain constant. The melted ice will just fill the space that the ice cube previously occupied, so the glass will not overflow.

Related Questions

Does the glass overflow when its filled to the brim and ice melts?

It depends on how much ice was in the glass and how much water it created as it melted. If the ice displaces enough water to raise the water level near the brim, then it could overflow once the ice melts and adds more water.


Would a glass that was filled to the brim with ice and water would it overflow?

No, a glass filled to the brim with ice and water will not overflow once the ice starts to melt. The ice displaces some of the volume of the water, so there is enough space for the melted ice without overflowing.


Will water pour out of the glass when the ice melts into a full glass of water?

If he glass was full and you put ice cubes in it would overflow strait away.


When ice cube floating in a tumbler of water melts completely why there is no overflow of water?

Its actually quite simple. The answer would be Anomalous expansion of Water, which means that the volume the Ice cubes are consuming in a glass filled upto the brim is more than water alone. When Ice melts and comes back into water form, it uses lesser volume (space) in the glass. Hence it does not allow the glass to overflow as the person pouring into the glass had poured in keeping into view the level of the ice (which uses more volume).


Will water overflow when the ice in the cup completely filled with water melts completely?

If you are asking if a cup filled with water and ice, when the ice melts, will the water overflow, then the answer is no. As the ice becomes water, then it loses its ability to displace the water that it was first displacing as it was ice. So in the end, the water level won't raise or fall as the ice melts, it just replaces the space it once filled with water, leaving you with a full cup of water.


Will a glass of water filled to the brim with a cube of ice floating in it rise when ice melts?

The water level will decrease slightly when the ice cube melts, but the overall volume will remain constant. The melted ice will just fill the space that the ice cube previously occupied, so the glass will not overflow.


Is it impossible for the water to overflow if the ice berge melts?

it is possible.. :)


Does glass melts in water?

no


What degrees does glass melt at?

Glass has a wide melting range depending on its composition, but typical soda-lime glass melts between 1,400 and 1,600 degrees Fahrenheit. Specialized glasses or glass compositions can have even higher or lower melting points.


How is glass created?

Glass is created from sand being melted by the sun, then after it melts it turns into glass. That is why there is glass on the beach because the sand turns into glass.


What happens if a ice cube embedded with a cork melts?

If the ice cube melts, the cork will float on the liquid water that was previously frozen as ice. Cork is less dense than water, so it will float rather than sink.


Why there is water on glass when ice melts?

Water forms on the surface of the glass when ice melts due to condensation. As the ice melts, it releases water vapor which comes into contact with the cooler surface of the glass, causing it to condense and form water droplets.