Earth's center, where pressures and temperatures are very high

The section of Earth's interior that lies above the outer core and has the most mass

The theory Earth's crust is divided into rigid plates that slowly move across the upper mantle

The process by which Earth's plates slowly move across the upper mantle

Places on Earth's surface where the crust stretches until it breaks

Areas of the ocean floor where rocks gradually sink because they have no supporting heat below them; the world's flattest and smoothest regions

Areas where continental surfaces extend under the shallow ocean water around the continents

A deep valley marking a collision of plates, where one plate slide under another

Places where rocks have been compressed into bends by colliding areas

Places where rock masses have been broken apart and moving away from each other

The process by which rocks break and decay over time

Small particles of weathered rock

Movement of surface material from one location to another by water, wind, and ice

Thick masses of ice, including great ice sheets and bodies of ice that flow down mountains like slow rivers

An elevated flatland that rises sharply above nearby land on at least one side

Fan-shaped deposit of mud and gravel often found along the bases of mountains

Accumulation of sediment at the mouth of a river

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Chapter 4

Term	Definition
core	Earth's center, where pressures and temperatures are very high
mantle	The section of Earth's interior that lies above the outer core and has the most mass
magma	Liquid rock within Earth
plate tectonics	The theory Earth's crust is divided into rigid plates that slowly move across the upper mantle
continental drift	The process by which Earth's plates slowly move across the upper mantle
rift valleys	Places on Earth's surface where the crust stretches until it breaks
abyssal plains	Areas of the ocean floor where rocks gradually sink because they have no supporting heat below them; the world's flattest and smoothest regions
continental shelves	Areas where continental surfaces extend under the shallow ocean water around the continents
trench	A deep valley marking a collision of plates, where one plate slide under another
folds	Places where rocks have been compressed into bends by colliding areas
faults	Places where rock masses have been broken apart and moving away from each other
weathering	The process by which rocks break and decay over time
sediment	Small particles of weathered rock
erosion	Movement of surface material from one location to another by water, wind, and ice
glaciers	Thick masses of ice, including great ice sheets and bodies of ice that flow down mountains like slow rivers
plateau	An elevated flatland that rises sharply above nearby land on at least one side
alluvial fan	Fan-shaped deposit of mud and gravel often found along the bases of mountains
delta	Accumulation of sediment at the mouth of a river

Created by: chritarver

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