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The Lithosphere

QuestionAnswer
The rocky layer of the earth's surface that is composed (made up of) the crust and the upper mantle. Lithosphere
The thinnest layer of the earth. crust
The thickest layer of the earth. mantle
A very dense fluid under intense pressure. outer core
A solid layer made of iron and nickel. inner core
Convection currents flow in this layer. mantle
The liquid layers of the earth. mantle, outer core
The solid layers of the earth. crust, inner core
What causes the lithosphere plates to move? convection currents
The theory of plate tectonics helps to describe how the crust is divided into what? plates
How do the plates move in a convergent boundary? two plates push together
How do plates move in a divergent boundary? two plates pull apart
How do plates move in a transform boundary? plates slip/slide past each other in the opposite direction
A convergent boundary causes what to happen/form? mountains and mountain ranges to form
____________ causes trenches to form and volcanic activity to increase in an area. divergent boundary
Earthquakes often form along a.... transform boundary
On the earth's surface, rocks are gradually broken down to form soil, a process called... weathering
What is bedrock? It is made of solid gray rock and is usually the source from which topsoil and subsoil are made.
Topsoil is... the dark-brown layer that contains the greatest amount of minerals and nutrients.
Subsoil is... the layer of soil that is less rich in minerals and light brown in color.
The earth's layers are constantly in ____________. motion
The earth's layers are trying to maintain _____________, or another name is_________________. balance, equilibrium
Created by: jkmoran22
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