How Is The Inner Core Similar To The Outer Core

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How Is The Inner Core Similar To The Outer 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

Are the inner core and outer core the same temperature?

The inner core is a hot dense ball of (mostly) iron. It has a radius of about 1 220 kilometers (758 miles). Temperature in the inner core is about 5 200° Celsius (9 392° Fahrenheit). … However unlike the outer core the inner core is not liquid or even molten.

What are the characteristics of the outer core inner core?

The inner core is solid the outer core is liquid and the mantle is solid/plastic. This is due to the relative melting points of the different layers (nickel–iron core silicate crust and mantle) and the increase in temperature and pressure as depth increases.

Are the inner and outer core exactly the same in composition?

Core. At the center of the Earth is the core which has two parts. The solid inner core of iron has a radius of about 760 miles (about 1 220 km) according to NASA. It is surrounded by a liquid outer core composed of a nickel-iron alloy.

Why is the inner core hotter than the outer core?

The inner core is indeed hotter than the outer core. However the PRESSURE on the inner core is greater than the pressure on the outer core and the melting point of iron the main constituent of the core INCREASES as the pressure goes up.

What are 3 facts about the inner core?

5 Facts About the Earth’s Inner Core

• It’s Almost The Size of the Moon. The Earth’s inner core is surprisingly large measuring 2 440 km (1 516 miles) across. …
• It’s Hot…Really Hot. …
• It’s Mostly Made of Iron. …
• It Spins Faster Than the Surface of the Earth. …
• It Creates a Magnetic Field.

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What is inner and outer core?

Both the inner and outer cores consist primarily of iron and nickel. They’re extremely hot with temperatures ranging from 7200–9000℉ (4000–5000℃). The inner core is under intense pressure which keeps it solid despite high temperatures. Outer Core: The outer core which is liquid is about 1300 miles (2092 km) thick.

What are the two characteristics of core?

The core consists of two parts- The inner core and the outer core. The core extends upto 3500 km. The core is made up of Nickel (Ni) and Iron (fe). That is why the core is also known as Nife.

How does the inner core affect all of the Earth’s other layers?

Lasting Effects: With the heavy inner core the earth’s orbit and rotation will remain stable over the long term giving us day and night and summer and winter. … These swirling convection currents result in the earth’s magnetic field which keeps us properly oriented for travel and shields earth from deadly cosmic rays.

What are the similarities and differences between the inner core and the outer core?

It is composed of mostly iron and nickel that lies above Earth’s solid inner core and below its mantle. The transition between the inner core and outer core is located approximately 5 150 km beneath the Earth’s surface. Unlike the inner core the outer core is not solid. This is also referred to as the “liquid core”.

What are the two common element present in the inner and outer core?

Both the outer and inner cores are made mostly of iron and nickel. These are molten in the outer core but high-pressure solids in the inner core.

What is the compositions of the inner and outer core?

Composition of the Core

The inner core is solid and is 90% iron but the outer core is a liquid…and it’s a good thing it is! More on that later. The outer core is made of a mixture of iron and nickel with smaller amounts of silicon and oxygen.

Why is the inner core solid even though it is hotter than the outer liquid core quizlet?

Why is the inner core solid even though it is hotter than the outer liquid core? The great pressure at Earth’s center forces the atoms in the core together causing it to solidify.

What is a fun fact about the inner core?

The inner core is the fourth layer inside the Earth. It is a solid metallic ball made mainly of iron. Here temperatures reach extraordinary levels estimated to be between 7 200–8 500ºF (4 000–4 700ºC). Although the inner core is very hot it is not liquid like the outer core.

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Why do scientists believe that the inner core is solid?

First energy waves known as “shear waves” do not travel through the outer core. … Shear waves do travel through solids however. Therefore since we see shear waves disappear at the outer core and reappear at the inner core geologists hypothesize that the outer core is liquid and the inner core is solid.

What describe the outer core?

Earth’s outer core is a fluid layer about 2 400 km (1 500 mi) thick and composed of mostly iron and nickel that lies above Earth’s solid inner core and below its mantle. Its outer boundary lies 2 890 km (1 800 mi) beneath Earth’s surface. … Unlike the inner (or solid) core the outer core is liquid.

How think is the inner core?

1 250 km-Unlike the yolk of an egg however the Earth’s core is actually made up of two distinct parts: a 2 200 km-thick liquid outer core and a 1 250 km-thick solid inner core.May 5 1999

Is the inner core hotter than the sun?

New measurements suggest the Earth’s inner core is far hotter than prior experiments suggested putting it at 6 000C – as hot as the Sun’s surface. The solid iron core is actually crystalline surrounded by liquid.

Is the outer core thicker than the inner core?

The layers of Earth are: Crust – 5 to 70 km thick. … Outer Core – 2 200 km thick. Inner Core – 1 230 to 1 530 km thick.

What are 5 facts about the outer core?

The outer core is the third layer of the Earth. It is the only liquid layer and is mainly made up of the metals iron and nickel as well as small amounts of other substances. The outer core is responsible for Earth’s magnetic field. As Earth spins on its axis the iron inside the liquid outer core moves around.

What does the inner core do?

Earth’s solid-metal inner core is a key component of the planet helping to give rise to the magnetic field that protects us from harmful space radiation but its remoteness from the planet’s surface means that there is much we don’t know about what goes on down there.

Which of the following is true about the inner core?

7. Which of the following is true about the inner core? d) It is believed to be a gaseous body. Explanation: The inner core with a thickness of around 1790 km is believed to be a solid body.

Is the inner core solid liquid or gas?

The Earth’s inner core is a solid sphere of iron and a little nickel. It is easily hot enough to be a liquid in fact the average temperature in the inner core is about 11 100° F (6150° C.) However the immense pressure on top of it keeps it squeezed into a solid.

Why is the interior of the Earth so hot?

There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted which has not yet been lost (2) frictional heating caused by denser core material sinking to the center of the planet and (3) heat from the decay of radioactive elements.

How does the inner structure of the earth affect its surface?

Each layer has a unique chemical composition physical state and can impact life on Earth’s surface. Movement in the mantle caused by variations in heat from the core cause the plates to shift which can cause earthquakes and volcanic eruptions.

How does the interior of the Earth affect the surface of the earth?

Tectonic processes and flow in Earth’s interior drive deformation of Earth’s surface that can lead to destructive earthquakes tsunamis and volcanic eruptions. … Many major processes affecting hazards and habitability can be observed and compared over Earth’s surface only from space.

What would happen if the inner and outer core stopped moving How would this impact Earth?

When the molten outer core cools and becomes solid a very long time in the future the Earth’s magnetic field will disappear. When that happens compasses will stop pointing north birds will not know where to fly when they migrate and the Earth’s atmosphere will disappear.

How do the inner core and outer core differ quizlet?

How do the inner core and outer core differ? The inner core is solid whereas the outer core is liquid.

How do you compare the densities of the Earth’s crust mantle and core?

The atmosphere and Earth’s interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth’s core at its center is denser than its crust. The lowest layer of the atmosphere is denser than the upper layer.

What is the relationship between the crust and the mantle?

The crust floats on the mantle in an isostatic relationship. Where the crust becomes thicker because of mountain building it pushes farther down into the mantle. Oceanic crust being heavier than continental crust floats lower on the mantle.

What is the most common element in the outer core?

Iron is the most abundant element by mass in the Earth constituting about 80% of the inner and outer cores of Earth. The molten outer core is about 8000 km in diameter and the solid inner core is about 2400 km in diameter. Iron is the fourth most abundant element in Earth’s crust.

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What element are present in outer core?

Earth’s outer core is liquid and dominantly composed of iron and nickel (~5–10 wt%). Its density however is ~8% lower than that of liquid iron and requires the presence of a significant amount of light element(s).

What state of matter is the inner core?

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