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
Apr 13, 2016 ... The Earth's layers, showing the Inner and Outer Core, the Mantle, and Crust. ...
To the Mayans, the world was flat, and at it corners, four jaguars ...
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.
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 in some ways like a giant jaw breaker. It is composed of several
layers: the crust, the mantel, and the core. CRUST. What comes to mind when
Earth is made up of several different layers, each with unique properties. In this
video lesson you will identify each layer of Earth and how it. ... Earth's Surface 8:
54; The Four Spheres of Earth: Geosphere, Hydrosphere, Biosphere, ... for the
Mechanism of Continental Drift5:35; Major Plates of the Lithosphere: Earth's
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
Nov 7, 2010 ... The Earth's atmosphere is divided into five layers: the troposphere, the
stratosphere, the mesosphere, the thermosphere, and the exosphere.