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I think the outer core
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∙ 12y ago
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What keep the iron melting in the core?
I think the outer core
What keeps the iron from melting in the core?
I think the outer core
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.
What are the melting points for iron?
1535 degree melting of iron
How come the earths core is solid when it is between 3000 and 4000 degrees celsius?
The earth's inner core is primarily made up of iron. The inner core is under great pressure: around 350 gigapascals or 3.5 million atmospheres. At such pressures, the melting point of iron is much higher than the normal 1811 K. In fact, the melting point of iron, at the boundary between the inner and outer core is around 6,200 K, well above the 5,700 K to be found there.
How is Earth made of iron?
The Earth's magnetic field is created by the rotation of its dense core, which is mostly iron and nickel but with heavy radioactive elements as well. The inner core is above the melting temperature of the metals, but is kept solid by gravitational pressure. The outer core is a viscous liquid metal.
How are inner core and outer core different?
The inner and outer core are different because of the difference in vertical stress within the Earth. As the confining pressure increases it drives up the melting temperature of materials (in this case iron and nickel). The boundary between the outer and inner core marks the point where the confining pressure is so high that it drives the melting temperature of the core material above the temperature within the core. As such it is no longer hot enough to melt the iron / nickel mixture and it solidifies.
Why is the inner core made of solid?
It's due to the pressure of the earth. After acertainpoint ofpressurethe iron and nickel that makes up the inner core can no longer become liquid even though the heat produced is well above the melting point for iron.
Why is the inner core of the earth solid and the outer core molten?
It's actually due to the pressure inside of the earth. After acertainpoint ofpressurethe iron and nickel that makes up the inner core can no longer become liquid even though the heat produced is well above the melting point for iron.
Why is the Earth's core solid if it's so hot?
The earth's core isn't entirely solid. In fact the earth's core is slit into two main sections. The inner core (which is solid) and the outer core which is liquid. This is because the melting point of materials varies depending on the applied pressure. As pressure increases so to 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.
What are facts about iron?
The element symbol for iron is Fe.Iron is a transition metal.Iron atomic number is 26.1535 degrees Celsius is iron's melting point.ALL iron was made in the core of a star which exploded.Iron is magnetic.Iron and steel are the worlds cheapest and most useful metals.etc.
Why is the core solid?
As we go inside the Earth, the temperature increases, but so does the confining pressure. As the pressure increases, the melting point of the materials increases as they become harder and denser. The outer core is liquid due to the fact the melting point hasnt increased above its temperature. At the boundary of outer and inner core, the pressure becomes high enough to raise the melting point of the materials above their temperature. So it is solid The inner core is solid because the main constituent of inner core is iron. In the inner core the pressure is nearly 330-360 giga pascal and temperature is nearly 5900K. at these pressure the melting point of iron increases upto an extent that it can be in solid state even at that high temperatures. Hence, the inner core of earth is in solid state.
