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www.reference.com/science/internal-structure-earth-672b4c4e8546eedb

The internal structure of the Earth is made up of the asthenosphere, the upper mantle, the lower mantle, the outer core and the inner core. These structures support the crust of the Earth. The asthenosphere is a semisolid layer of hot rock that's found at the top of the upper mantle.

en.wikipedia.org/wiki/Structure_of_the_Earth

The internal structure of the Earth is layered in spherical shells: an outer silicate solid crust, a highly viscous asthenosphere and mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core.Scientific understanding of the internal structure of the Earth is based on observations of topography and bathymetry, observations of rock in outcrop, samples brought ...

www.youtube.com/watch?v=hmgR4PiGp1E

Learn about the structure of the earth's interior - crust, mantle and core and composition of its different layers. ... Different Layers of the Earth | It's Interior, Structure and Composition ...

simple.wikipedia.org/wiki/Structure_of_the_Earth

The structure of the Earth is divided into layers. These layers are both physically and chemically different. The Earth has an outer solid layer called the crust, a highly viscous layer called the mantle, a liquid layer that is the outer part of the core, called the outer core, and a solid center called the inner core.

geology.com/nsta/earth-internal-structure.shtml

The core is earth's source of internal heat because it contains radioactive materials which release heat as they break down into more stable substances. The core is divided into two different zones. The outer core is a liquid because the temperatures there are adequate to melt the iron-nickel alloy.

courses.lumenlearning.com/.../chapter/the-composition-and-structure-of-earth

The Composition and Structure of Earth. ... The density of Earth’s surface layers is much less than the overall density of the planet, as calculated from the planet’s rotation. 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 percent iron metal ...

www.theapproachinghour.com/earth/earth/the_layers_and_the_internal_structure_of_earth.asp

The atmosphere is a thousands-of-kilometres thick gas mass consisting of a mixture of various gases and surrounding our planet since the formation of Earth. The atmosphere remains attached to Earth with gravitational effect. Due to gravitation, the weight exercised by the air on Earth is defined as the atmospheric pressure. It not only protects Earth from harmful rays of the Sun, but also ...

www.youtube.com/watch?v=eXiVGEEPQ6c

Learn about the Structure Of The Earth with Dr. Binocs. Hey kids! Did you know that our planet Earth is made up of three distinct layers? And that each of these layers have their own distinct ...

study.com/academy/lesson/composition-of-earths-internal-layers-crust-mantle...

Earth's Core. You may have heard that ogres are like onions because they have many layers. Well, Earth is the same way! Earth is made up of several different layers, each of which has unique ...

phys.org/news/2015-12-earth-layers.html

There is more to the Earth than what we can see on the surface. In fact, if you were able to hold the Earth in your hand and slice it in half, you'd see that it has multiple layers. But of course ...