cts about the earth crust

What are four facts about the earth''s crust

 The crust is the coldest layer of all the layers of Earth.  The crust makes up less than 1% of the Earth''s mass. . On average, it''s about 27 miles thick, but can range from 270  miles.  The crust is composed of solid, brittle, igneous, metamorphic,  and sedimentary rock.

BBC GCSE Bitesize: The structure of the Earth

The Earth has a layered structure, including the core, mantle and crust. The crust and upper mantle are cracked into large pieces called tectonic plates. These plates move slowly, but can cause earthquakes .

10 Facts about Lithosphere | Less Known Facts

Facts about Lithosphere 10: the oceanic lithosphere The oceanic crust is always connected with the presence of oceanic lithosphere. The mean density is around g per cu cm.

Facts about the earths crust

The crust is the outermost chemical layer of the Earth, of hard and brittle rock, composed of oceanic crust and continental crust. The crust is typically about 23 miles thick . beneath continents, and about miles thick beneath oceans.

Earth''s crust Facts for Kids Kiddle encyclopedia

Forming the crust Earth''s mantle and crust formed about 100 million years after the formation of the planet, about billion years ago. ... The oldest oceanic basalt crust today is only about 200 million years. ... The average age of Earth''s continental crust is estimated to be about billion ...

I need interesting facts on the earth''s help ...

Sep 28, 2006· In geology, a crust is the outermost layer of a planet, part of its lithosphere. Planetary crusts are generally composed of a less dense material than that of its deeper layers. The crust of the Earth is composed mainly of basalt and granite. It is cooler and more rigid than the deeper layers of the mantle and core.

Continental crust ScienceDaily

Continental crust is also less dense than oceanic crust, though it is considerably thicker; mostly 35 to 40 km versus the average oceanic thickness of around 710 km. About 40% of the Earth''s ...

Facts about the earths crust

The crust is typically about 23 miles thick . beneath continents, and about miles thick beneath oceans. The crust is relatively light and brittle compared to other Earth layers. Most earthquakes occur within the crust. The crust is composed of igneous, metamorphic, and igneous rock, but .

Lithosphere Facts

The lithosphere is the earth''s upper crust and mantle, the uppermost solid earth layer. The lithosphere is made up of tectonic plates, which are basically the continents of the planet.

Interesting Facts About Earth''s Layers: What Are They ...

The crust is extremely thin when compared to the mantle, and occasionally some of the deeper layers of the earth reach the crust when volcanoes erupt or when earthquakes occur. Below are TWELVE very interesting facts about Earth''s layers you probably didn''t know: 1. The earth''s outer layer is the crust.

Facts about the crust

The crust is about 40 kilometers thick in many places. The crust is the coldest layer of all the layers of earth. The crust makes up less than 1% of the earths mass. The crust . is mainly made up of silicon,aluminum,calcium,sodium, and potassium.

5 Facts About the Earth''s Inner Core | Sciencing

The planet Earth consists of a series of distinct layers, each of which has a unique structure. The top layer, known as the crust, is the thinnest layer of the Earth with a thickness of 30 km ( miles).

4 interesting facts about the earths crust

1 The crust is deepest in areas with mountains. 2Both the continental and oceanic crusts are bonded to the mantle to form a layer known as the lithosphere, causing volcanoes and earthquakes. 4The oceanic crust is only about 7km thick and considerably more dense.

The Interior of the Earth USGS

The planet Earth is made up of three main shells: the very thin, brittle crust, the mantle, and the core; the mantle and core are each divided into two parts. All parts are drawn to scale on the cover of this publication, and a table at the end lists the thicknesses of the parts.

In Depth | Earth – Solar System Exploration: NASA Science

Earth is composed of four main layers, starting with an inner core at the planet''s center, enveloped by the outer core, mantle and crust. The inner core is a solid sphere made of iron and nickel metals about 759 miles (1,221 kilometers) in radius.

Earth Layer Fun Facts

Fun Facts About the Layers of Earth for Kids The very center of the Earth is the core, which is mostly iron and nickel. The inner core is solid and measures 1,516 miles in diameter.

Layers Of The Earth For Kids | Crust, Mantle And Core

The Crust. The thickness of oceanic crust is almost 7 kilometers. It is made up of igneous rock (a type of rock) called Basalt. The chemical composition of oceanic crust is all the same homogeneous. The density of the rocks of oceanic crust is about g/cm3­. The age of the rocks of oceanic crust is maximum 180 million years.

Earths Layers Layers of the Earth Facts for Kids

The Earth is made of three layers. Let''s start from the outside and move our way in. The top layer, which is what we stand on is the crust, next comes the mantle and finally the core. Some of these layers are made up of even more layers and they''re always on the move. The Earth is .