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Why does plastic flow occur only 50 meters below ice?
It takes the weight of that much ice to cause the plastic flow.
Why does plastic flow only occur between 50 meters of ice?
Plastic flow in ice occurs at depths greater than 50 meters because at this depth, the pressure from the weight of overlying ice causes the ice to deform and flow like a plastic material rather than behaving brittle like at shallower depths. This deformation is due to the combination of high pressure and temperature causing the ice to exhibit ductile behavior.
If we put pressure on ice then how can it melt?
When pressure is applied to ice, the melting point decreases. This means that even if the ice is below its normal melting point, the pressure can cause it to melt. This is known as pressure melting or regelation.
What property of water causes ice to float?
The property of water that causes ice to float is its density. When water freezes into ice, the molecules form a crystal structure that spaces them apart slightly, making ice less dense than liquid water. This lower density causes ice to float on the surface of water.
What will happen if you apply pressure on ice?
Applying pressure on ice will decrease the temperature at which ice melts, causing the ice to melt into water. However, once the pressure is released, the water will freeze back into ice at its original melting point.
What causes the thin layer of ice to form?
pressure
The Pressure of Earth's layers causes the inner core to be?
solid due to extreme pressure, even though it is composed of mostly iron and nickel.
What happens when pressure is applied to ice crystals?
When pressure is applied to ice crystals, they may melt and transition into water if the pressure exceeds the melting point of ice. This process is known as pressure melting. Under high pressure, ice can also transform directly into water vapor through sublimation without melting first.
What is a pressure causing ice layers to slide over each other?
wet ice causes ice layers to slide over each other
How do you get an iceberg?
pressure is put on a glacier and causes a chunk of ice to float of on its own. This is a iceberg.
What causes snow to turn turn to glacial ice?
Time, pressure, temperature, and compaction.
Does there occur any change in melting point of ice by variation of pressure?
Yes, increase in pressure causes the freezing point to drop.
Why is iron and nickel solid in the inner core?
It is solid, in spite of the heat, because of the intense pressure. Bear in mind, however, that we cannot be certain that the core is composed of iron and nickel, however evidence implies this.
What causes snow and firn to be compressed into mass of ice?
Snow and firn are compressed into a mass of ice due to the weight of the overlying snow, which increases pressure on the underlying layers. This pressure causes the snow crystals to recrystallize, expelling air and turning into denser ice. Over time, continued compression and recrystallization lead to the formation of glacier ice.
What are the four causes of mechanical weathering?
ice wedging pressure release plant root growth and abrasion
How is physics involved in ice hockey?
There are two theories on this: 1. Some say that the friction made between the shoes and the ice when the players causes the ice just below the shoes to melt and this facilitates motion of the players. 2. Others say that the special shoes used for ice hockey causes a greater pressure to be exerted on ice, causing the ice to melt (an increase in pressure decreases the melting point of a substance). This again facilitates the players' motion in the game. The truth may be that it is a combination of both theories.
Why does plastic flow occur only 50 meters below ice?
It takes the weight of that much ice to cause the plastic flow.
