ch 25.3 and ch 25.4 Flashcards
(26 cards)
what is the boundary that marks density changes
discontinuities
who are discontinuitites identified
semic waves
what are shadow zones
are area were s waves are not recorded
what a anther name for the shadow zone
dead zone
degrees that shadow zones fall
105 to 140
is the outer core a liqued or a sold
liquer
what is the inner core and why
soild
pressuer
what make up the lithosphere
cust and the uppper most manster
what make up the asthenoshere
plastic like layer were plates move on
witch elemst make up the mantual
calcium aluminum iron and magnesium
what the core made up of
iron nickel
what is molten or liguid rock stored in side eath called
magma
where is the ring of fire located
along the pacific ocean
where is the ring of fire located
along the pacific ocean
what two location have volconeo
east african riftt
mid alintic rige
are hotspot stanry
yes
what can hot spot make
island
ex hawaii
is meauser of fluied
viscosity
the higher the viscostiy is high will it move fast
yes
if magma has a high viscoty will it contain more or less silica
more
what is pyroclastic material
any soilid materialn out of a valconeo
what the smastes
ash
what the bigest
blocks and bombs
what are the type of gasses
water vaper carbon dioxide sulfur dioxide
