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Upper mantle
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- The lower part of the upper mantle is made from both solid and melted rock (liquid), while the rock in the upper region is stiffer, because it’s cooler.
www.natgeokids.com/uk/discover/geography/physical-geography/structure-of-the-earth/
Feb 2, 2023 · The earth’s internal structure is made up of three major layers: the crust, the mantle, and the core, The mantle and the core are further subdivided to form five distinct layers in total.
Jan 23, 2020 · The inner core has a temperature of up to 4 000℃ and the outer core has a temperature of up to 3 600℃. Between these two layers is a liquid-solid boundary called the Lehmann Discontinuity. This is actually the hottest part of the core. It is as hot as the surface of the Sun!
Dec 15, 2020 · The earth is split into four major layers: the crust, the mantle, the outer core and the inner core; The crust is what humans live on, and it consists of only one percent of the Earth's mass; The centre of the Earth is a solid ball of nickel and iron roughly 70% the size of the moon
Aug 1, 2023 · The four primary layers are the crust, the mantle, the outer core, and the inner core. However, geologists subdivide these layers into a complex structure that better describes the Earth’s intricate composition and behavior.
- Crust. The earth’s crust is the planet’s outermost layer. It contains all biological life as yet known, yet it is the shallowest layer of all. Some scientists compare the earth’s crust to the top crust on an apple pie – delicate, thin, and covering a piping hot interior.
- Mantle. The mantle is the second chemical layer of the earth. It is composed of mostly melted rocks, depending on where you are in the depth of the earth.
- Liquid Outer Core. The core of the earth is composed mainly of nickel and iron, which originated from meteor strikes when the world was first forming.
- Solid Inner Core. The solid inner core of the earth is about 70% of the size of the moon. Its radius, the distance from its center to its outer edge, is estimated to be about 759 miles.
Aug 8, 2023 · Earth is made up of four distinct layers: the inner core, the outer core, the mantle, and the crust. The inner core is the deepest layer and has a solid inner core and a liquid outer core with a temperature range of 4400 °C to 6100 °C (7,952 °F to 11,012 °F).
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Apr 30, 2023 · According to mechanical properties, Earth's layers are the lithosphere, asthenosphere, lower mantle (also known as mesospheric mantle), outer core and inner core, according to Phys.org. We will...
