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chapter 3 science

dynamic earth

mesosphere layer above stratosphere, coldest layer of the atmosphere, lower layer of mantle
outer core outer shell of the earth's core, made of liquid nickel and iron
lithosphere outermost layer of the earth, consists of crust & upermost part of mantle, divided into tectonic plates
asthenosphere solid plastic layer of the mantle between meso&lithosphere, made of mantle rock which flows slowly resulting in the movement of tectonic plates
inner core center of the earth, solid nickel and iron
geologists studying the physical structure and processes of the Earth
fault a break in the earth's crust along which blocks of the crust slide relative to one another
granite igneous rock in the crust of the earth
basalt volcanic rock found on earth's surface
subduction two tectonic plates meet and move towards one another, with one sliding underneath the other and moving down into the mantle
plates lithosphere is divided into tectonic plates which glide along asthenoshpere
Seismic wave waves that travel through earth's interior during eathquake
radiation transfer of energy across space and in the atmoshpere
convection transfer of heat by air currents
conduction the flow of heat from a warmer object to a colder object when the objects are placed in direct physical contact
focus the earthquake's underground point of origin
epicenter is the point on the Earth's surface that is directly above the point where an earthquake or other underground explosion originates or focus
Pressure wave wave produced by earthquakes
density formula D=M/V
Created by: madi