EARTH SCIENCE: INTERIOR OF EARTH

EARTH SCIENCE: INTERIOR OF EARTH

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Section 1

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Lithosphere

Front

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (34)

Section 1

(34 cards)

Lithosphere

Front

uppermost part of mantle and the crust for a ridge layer about 100 kilometers thick

Back

reverse fault

Front

force pushes two blocks of rock together with the rock above the fault moving up

Back

Convection

Front

transfer of heat by the movement of a heated fluid (includes liquids and gases). caused by differences in temperature and density within a fluid.

Back

Elastic strain

Front

change in rock that is NOT permanent; when stress is removed rock goes back to original shape

Back

Mid-ocean ridges

Front

tension causes oceanic crust to spread allowing hot rock from mantle to rise creating high ridges

Back

Outer core

Front

layer of molten metal that surrounds inner core

Back

normal fault

Front

form when forces pull rocks apart along a divergent plate boundary; block of rock above fault moves down

Back

seismic waves

Front

waves that carry energy of an earthquake away from the focus; there are three types:

Back

Transform faults

Front

when plates slide horizontally past each other they form a fault, or a break in the rock of the crust

Back

Mantle

Front

layer of solid, hot rock 40 kilometers beneath the surface

Back

Surface waves

Front

move slower than P and S waves, but can produce severe ground movement with a wavelike motion

Back

Radiation

Front

the transfer of energy through empty space; has no direct contact between heat source and an object.

Back

Volcanic arcs

Front

curved line of volcanoes that forms parallel to plate boundaries

Back

Asthenosphere

Front

softer part of mantle below the lithosphere which is hotter and under increased pressure

Back

convection current

Front

the flow that transfers heat in the mantle

Back

inner core

Front

dense ball of solid metal of Iron and Nickel

Back

Crust

Front

layer of solid rock that forms Earth's outer "skin"

Back

Primary waves (P waves)

Front

compression waves that travel through solids and liquids, compressing and expanding the material they pass through, temporarily changing volume

Back

Ocean trenches

Front

one plate goes under another during collision forming a deep trench where the two plates meet

Back

Shearing

Front

pushes a mass of rock in two opposite directions

Back

stress

Front

Force that acts on rock to change its shape or volume

Back

Conduction

Front

heat transfer by direct contact of particles of matter

Back

Mountain ranges

Front

collision between two continental plates

Back

focus

Front

point beneath Earth's surface where rock under stress breaks to cause an earthquake

Back

Fault zones

Front

an area of many fractured pieces of crust along a large fault

Back

Continental rifts

Front

when divergent boundaries occur within a continent, they cause enormous splits in the crust

Back

epicenter

Front

point on the surface directly above the focus

Back

Earthquake

Front

vibrations in the ground that result from movement along faults, or breaks in Earth's lithosphere

Back

Secondary waves (S waves)

Front

only travel through solids and temporarily change the shape, but not the volume of the material they pass through; move slower than P waves

Back

strike-slip fault

Front

two blocks of rock slide horizontally past each other in opposite directions

Back

Strain

Front

a change in the shape of a rock caused by stress; two types:

Back

Lower Mantle

Front

solid material extending all the way to Earth's outer core

Back

Compression

Front

squeezes rock until it folds or breaks

Back

Plastic strain

Front

creates a permanent change in the shape of a rock; usually occurs when rocks are weak or hot

Back