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The pressure (due to gravity) in the center of the Earth is so great, that it compresses the otherwise molten metal alloy - to a solid.

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9y ago

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What are the effects of the inner core?

The inner core is solid, even though it has a high temperature, because of the high pressure in the center of Earth.


Is the temperature of the outer core higher OR lower than its melting point?

The outer core is liquid. Its pressure is low enough and its temperature high enough for it to melt. The inner core is solid. Both its pressure and temperature are higher than the outer core, but the increased pressure overwhelms the increased temperature, keeping the inner core from melting.


Explain why the inner core remains a solid even though it is very hot?

The immense pressure at the Earth's core, from the weight of all the layers above it, prevents the inner core from melting despite its extreme heat. The melting temperature of materials increases with pressure, allowing the inner core to remain solid under the high pressure conditions.


What is the state of the inner and outer core and why is it this state?

The inner core is solid due to high pressure preventing the temperature from melting the iron-nickel alloy. The outer core is liquid because the lower pressure allows for the metal to remain in a molten state.


Why is the inner core of the earth solid even though its so hot?

The melting point of materials varies depending on the applied pressure. As pressure increases so does the melting temperature. This relationship is normally shown in a phase diagram.The main constituent of the inner core is iron and the inner core pressure is approximately 330-360 GPA while the temperature varies from approximately 5000 to 7000 K.The extremely high pressures in the Earth's inner core therefore drive the melting point of the iron up beyond the temperature that occurs and the metals of the inner core cannot melt.As such the inner core is solid, even though it is the highest temperature region in the Earth.Please see the related links.


What is the main component of the Earth's inner core?

Iron, though it does have a small amount of nickel.


Why is earths inner core solid even though its temperature is hotter than that which would melt iron?

it is like 62,000,00 degrees down there


What factor is responsible for keeping the inner core in a solid state?

The intense pressure at the Earth's core keeps it in a solid state, as it prevents the intense heat from causing the inner core to melt. The combination of pressure and temperature create the conditions necessary for the inner core to remain solid.


What is the temperature of the inner core of the earth in kelvin?

The temperature of the Earth's inner core is estimated to be around 6000 kelvin.


Why is the Earth's inner core solid?

The Earth's inner core is solid because of the immense pressure from the layers of rock and metal above it, which keeps the inner core's temperature high enough to maintain a solid state despite being made mostly of iron and nickel.


Why is the inner core solid even though it's hotter than the outer core?

the inner core has to be really hot so when the hotness reaches the crust it feels normal because if the inner core was a normal temperature that when the hotness gets to the crust it would be freezing!


What causes the inner core to be solid when the outer core is liquid?

The extremely high pressure at the inner core drives the melting point of the iron and other materials up beyond the temperature of the inner core. Therefore they remain solid. The pressure in the outer core is lower sop the melting point is below the temperature in this region and so it is a liquid.