The interior structure of the Earth is layered in spherical shells, like an onion.
These layers can ... The rocks of the crust fall into two major categories – sial and
The Earth consists of four concentric layers: inner core, outer core, mantle and
crust. The crust is made up of tectonic plates, which are in constant motion.
The Four Layers. The Earth is composed of four different layers. .... What are the
two main metals that make up the outer and inner core? 4. Describe in your own
These layers get more and more dense the closer to the center of the earth you
get. See the picture below to see the four main layers of the earth: the crust, ...
This lesson will discuss the layers that make up the inside of the Earth ... The
mantle is huge, going down to a depth of 2,500 km and is like the main part of the
V. Planet Earth A. Main Layers of the Earth. Picture. 1. Three MAIN layers a. Core:
metallic, made of iron & nickel b. Mantle: semi-solid rock c. Crust: rigid, brittle ...
Jan 18, 2010 ... Earth has a diameter of about 12,756 km (7,972 mi). The Earth's interior consists
of rock and metal. It is made up of four main layers: 1) the inner ...
The earth is divided in to four layers:CRUST, MANTLE, OUTER CORE and
INNER CORE. ... Echo-sounding techniques are used to explore the Earth's crust.
The four layers of the Earth are called the inner core, the outer core, the mantle
and the crust. In addition, there are two different types of crust. The continental ...
Jan 17, 2015 ... The Earth can be divided into four main layers: the solid crust on the outside, the
mantle, the outer core and the inner core. Out of them, the ...