plate tectionics
earthquake safty
features of a volcano
earthquake
seismic waves
100
plastic- like layer below the lithosphere on which the ridge lithosphere flats
What is a Athenosphere
100
if an earthquake happens what do u go under
What is something that is strudy
100
Magma that squeezes into that cuts across rock layers( mostly vertical) and cools/hardens
What is dike
100
Faults occur because tectonic plates are in _________
What is movment
100
what wave causes partials in rock to move back and forth in the same direction the wave is traveling
What is Primary wave (P wave)
200
plates move apart formation of mid ocean ridges or rift valleys
What is divergent plate boundaries
200
do u put heavy objects on the bottem of a shelf of the top
What is that bottem
200
After an eruption the volcano can collapse which produce a large circle depression
What is Caldera
200
Earthquakes are
What is vaibration formed when rock beaks apart
200
what wave moves partials in rocks in a backward swaying motion and side to side swaying motion surface waves make many buildings fall apart
What is surface wave
300
when two plates converge and one plate moves under the other
What is subdution
300
if you are on the beach and a tsunami warning has apeard what do u listen for
What is the warning siren
300
When magma is squeezed into a crack that runs parallel to rock layer( mostly horizontal) and cool/hardens
What is still
300
how do earthquakes occur
What is stress forms where the rocks are stuck
300
how maney seismic wave are their
What is three
400
plates move together either subuction zone forms OR mountains ranges form
What is convergent boundaries
400
what should you saty away from when an earthquake happens
What is powerlines, windows ,and and heavy objects
400
Form when magma hardens before it comes to the surface forming domes
What is Batholiths
400
what type of fault is rocks are pulled apart at a DIVERGENT BOUNDARIES( rift valleys or mid ocean ridge)
What is normal faults
400
what wave causes rock partials to move are right angles to the direction of waves movement
What is secondary waves
500
plated slip past each other in opposite directions ( arupt sliding of plates causes earthquakes)
What is transformboundaries
500
when an earthquake happens the person closest to the ________ and________turns it off
What is gass line and electricity
500
When a volcano stops erupting the magma cool and hardens inside the vent and mountains when the mountain erodes away the hardened magma is left
What is volcano neck
500
what kind of fault is a rock is moving past each other AT A TRANSFORM BOUNDARY without much upward of downward movement ( san Andréa's fault in CA)
What is strik- slip faults
500
what order does the seismic waves go in
What is Primary, secondary ,and then surface waves
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