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Is inner core solid liquid or gas?

The inner core is solid metal.

Is the inner core solid?

The core of the Earth is made up mainly of iron, in an outer liquid layer and an inner solid layer. ... And they have not only established that the inner core really is solid, they have also found evidence of S-wave anisotropy in the inner core, with implications for inner core crystal structure and growth.Oct 1, 2008

Is the inner core a gas?

Answer 1: Earth´s inner core and outer core are both made of an iron-nickel alloy. The state of matter (solid, liquid or gas) of a given material depends on its temperature and pressure. ... Although the inner core is very hot, it is solid because it is experiencing very high pressure.Jan 19, 2013

Why is inner core in solid state?

The inner core is solid because it is made of very dense, or heavy, materials - like iron and nickel. Even though it is very hot, these materials don't "melt" very easily, so they stay solid. Answer 3: It turns out that many materials can be a solid at a higher temperature if the pressure is also higher.

What is meant by inner core?

(planetology) The solid material found in the centre of some planets at extremely high temperature and pressure, distinct from the liquid outer core. (geology) The innermost part of the Earth, believed to be made of a nickel-iron alloy.

image-Is inner core solid liquid or gas?
image-Is inner core solid liquid or gas?
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What differs outer from inner core?

The inner core and the outer core are made up of similar stuff chemically (both are made mostly of iron, with a little nickel and some other chemical elements)--the difference between them is that the outer core is liquid and the inner core is solid.Nov 11, 2014

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Why is the Earth's inner core solid quizlet?

The Earth's Inner core is solid because there is so much pressure exerted that it can only exist in the solid form. The outer core is liquid iron and nickel. Again, it is very dense but because it is in its liquid form it is less dense than solid and forms the outer core. ... Rigid means that it is a solid.

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What are the states of matter for the outer core and the inner core?

The inner core and the outer core are made up of similar stuff chemically (both are made mostly of iron, with a little nickel and some other chemical elements)–the difference between them is that the outer core is liquid and the inner core is solid.

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What is the state of matter of the crust?

The crust is made of solid rocks and minerals. Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by malleable areas of semi-solid magma. At the center of the Earth is a hot, dense metal core.

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Does the inner core have more iron or nickel?

If the surface layers are less dense than average, then the interior must be denser than average. Calculations indicate that the core is about 85% iron metal with nickel metal making up much of the remaining 15%.

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Why is inner core liquid but outer core solid?

The metallic nickel–iron outer core is liquid because of the high temperature. However, the intense pressure, which increases towards the inner core, dramatically changes the melting point of the nickel–iron, making it solid.Dec 7, 2015

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Why inner core is the hottest layer?

The interior of Earth is very hot (the temperature of the core reaches more than 5,000 degrees Celsius) for two main reasons: The heat from when the planet formed, The heat from the decay of radioactive elements.

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What is the density of the inner core?

The density of the inner 'solid' core is between 9.9-12.2 g/cm3 and the outer core's density is between 12.6-13 g/cm3.

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What is state of matter within the outer core?

  • The outer core is not under enough pressure to be solid, so it is liquid even though it has a composition similar to the inner core. Sulfur and oxygen could be present in the outer core. Similarly, what is the state of matter of each layer of earth? The inner core is solid, the outer core is liquid, and the mantle is solid/plastic.

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What keeps Earth's inner core in a solid state?

  • The inner core is solid because it is made of very dense, or heavy, materials - like iron and nickel. Even though it is very hot, these materials don't "melt" very easily, so they stay solid.

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What are facts about the inner core?

  • The inner core is the Earth’s deepest layer, and it is a solid iron ball that is approximately 1,500 miles in diameter. Although it is extremely hot, the iron cannot melt due to the high pressure. The inner core also consists of nickel and sulfur and smaller amounts of elements other than iron.

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What are some interesting facts about Earth's inner core?

  • Seismic wave velocity. The velocity of the S waves in the core varies smoothly from about 3.7 km/s at the center to about 3.5 km/s at the surface.
  • Size and shape. ...
  • Pressure and gravity. ...
  • Density and mass. ...
  • Temperature. ...
  • Magnetic field. ...
  • Viscosity. ...

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