seismic waves
what waves are the fastest
primary waves
what states of matter is the outer core
liquid
what are plate tectonics
the stuff the earth made of
what is the layers compared to in the notes
peaches
what cause earthquakes
seismic waves
what waves are the slowest
surface waves
what state of matter is the inner core
solid
how thick are most plates
60 miles
what is the core made of
iron and nickel
what is the study of earthquakes
seismology
how are seismic waves measured
seismographs
what is the properties of the lithosphere
solid low temperature low pressure made of crust and mantle
what is continental drift
the moving of tectonic plates
name the layers based on composition in order
crust, mantle, core
what state has the most earthquakes
alaska
what waves can't travel through liquids
secondary waves
what are the properties of the asthenosphere
behaves like silly putty mantle medium temperature shallow pressure
what are the three types of convergent boundaries
continent-continent, ocean-ocean, continent-ocean
what is the crust made of
oxygen, silicon, and aluminum
where does the earthquake begin
the focus
what natural disasters do seismic waves cause
earthquakes, tsunamis, landslides
what are the layers based on properties in order
lithosphere, asthenosphere, mesosphere, outer core inner core
what is some evidence for plate tectonics
shape, fossil and rock different materials
what is the mantle made of
oxygen silicon and magnesium
what is used to track earthquakes
seismometers