Volcano
what is a volcano
A mountain that forms
when layers of lava and
volcanic ash erupt and
build up
What are plate tectonics
earth's crust and upper mantle broken into sections called plates
When sediments go under compacting and cementing processes they become___________
What is sedimentary rocks.
What is an earthquake?
movement of plate tectonics causing ground to shake
How many types of faults are there?
3
This is molten rock found above the earth's surface.
What is lava?
How many types of plates are there?
2
When igneous, metamorphic and sedimentary rocks go under weathering and eroding they become_________________
What is sediments?
What is the focus?
origin point of earthquake
what causes plate tectonics to move?
convection currents
what. is a hot spot?
A place where the hot
mantle has come to the
crust as magma
What is rifting ?
seafloor spreading
The processes that turn metamorphic rocks into sediments
What are weathering and eroding?
Name the 3 types of waves. (ACTUAL NAMES!)
PRIMARY, SECONDARY (SHEAR), LATERAL
________________is the movement of minerals into layers or bands on a metamorphic rock?
What is foliation?
how do we determine the difference between quiet and explosive volcanoes?
amount of "stuff" that comes from volcano
what do you get what an ocean plate collides with continental plate
volcano
_________ and ____________ turn sedimentary rocks into metamorphic rocks.
Heat and pressure
Name the 3 types of faults, where they are found, and what is happening there
Normal-divergent-plates spreading
reverse-convergent-plates colliding
strike slip-transform-plates sliding past each other
The process of a rock morphing from touching hot magma is _____
Contact metamorphism
What is a dike?
vertical crack in rock layers, magma
cools in those veins
discribe convection currents
hot magma rising, cold magma sinking
When metamorphic and igneous rocks go under melting they turn into__________
What is magma?
Explain how to find epicenter of earthquake
using 3 seismic stations to measure wave activity. where 3 circles intersect is epicenter
what is a seismogram?
measures movement of waves