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Because that is where it is losing heat to the air, and water that reaches 32°F / 0° C must still lose energy to form ice. The water below the surface stays in equilibrium with the rest of the body of water. Once the entire surface is iced over, heat can only be lost through the smaller temperature difference between the water and the ice, rather than continuously to very cold air. Eventually, however, the entire body of water would freeze, if very cold temperatures persist.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoWhen water surface reaches a temperature O 0C or 32 0 F it undergoes a change in its state of matter to become ice freezing the water molecules below it .However the temperature below the ice does not reach the freezing point .It therefore ice that forms from the top surface level and not below the ice sheet level.
Wiki User
∙ 15y agodensity. water it one of the few things that gets bigger when it becomes a solid. this is what makes ice float...
Wiki User
∙ 13y agoIce is less dense than water at 0 degrees. So Ice floats on water. Not many substances are less dense in the solid state than in the liquid state. It is fortunate that water is one of them.
Wiki User
∙ 12y agoCondensation. Warm air contains moisture that will collect on a cooler surface. Think of a can of pop sitting on a table on a hot day.
Wiki User
∙ 10y agoIce is less dense, so it will float and the salt in the ocean water will also help it float
Wiki User
∙ 14y agoit doesn't, ice forms at the top
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Why a glass of ice water often has water droplets which form on the outside while a hot cup of tea or soup does not?
the main reason is condensation of water vapour in the air to water droplets
About how many ice cubes make up one cup of ice?
The amount of time it takes for ice to melt in 1 cup of water depends upon the temperature of the water the ice is in and the temperature of the environment.
Why does ice form on the outside of a beaker containing dry ice?
That is because the dry ice is so cold that it even spreads outside of the cup
What happens to the temperature of a body of water when water molecules condense upon it?
The result is increased temperature, condensation is a warming process. Like if you have an ice cold cup of water, as it gets warmer condensation forms on the outside of the cup...
When a cup of water is dropped does the water in the cup stays in the cup?
No the water was dropped, not the cup.correct
Why would droplets of water form on the outside of a cup?
rain
Why does water not form on the outside of a cup when you have a hot drink?
Hot cup evaporates water while cold water condenses water .
Would droplets of water form on the outside of a glass cup?
yes.
What part of the water cycle does the water on the outside of a cup show?
The water on the outside of the cup is an example of condensation.
Will a cup full of ice cubes and water spill if you wait for the ice cubes to melt?
No. Water expands when it freezes so when it melts, it will take up a smaller volume.
How much water should you use to make bouillon cubes?
1 cup of water for 1 bouillon cube
Why would drophlets of water form on the outside of a glass cup?
Assuming the glass cup held a cold liquid, the air closest to the cup will be colder than the surrounding air, causing water vapour in the air to condense into liquid water droplets.
If given a metal container filled with ice waterwhat will form on the outside of the canwhere does it come from?
a condensation of water will form on the outside of the metal container. What really happens is the frigid temperature of the cup actually cool the air down that it comes in contact with and water droplets form.
What will happen if you put 3 ice cubes in a plastic cup for 10 minutes and then for the other 10 minutes you put the 3 ice cubes in a paper cup?
it will dissolve into water and if you put it on paper it will dissolve in air
Why a glass of ice water often has water droplets which form on the outside while a hot cup of tea or soup does not?
the main reason is condensation of water vapour in the air to water droplets
How does water get on the outside of a cup?
Water might disappear on a cup through evaporation. As the water sits, it begins to turn to a gaseous state and rises away from the cup.
What is it called when water builds on the outside of a cup?
Condensation
