Show:
Plate Tectonics
Earthquake
Volcano
Mid-Ocean Ridge
Plate Boundries
100
The boundary beteween earth's crust and the mantle.
What is The Moho?
100
Earthquakes occur along these cracks in the earth's surface
What is Faults?
100
Molten rock on the surface of the earth
What is lava?
100
This long mountain chain is found in the middle of the Atlantic Ocean
What is The Mid-Atlantic Ridge?
100
The boundary where plates are spreading apart
What is Divergent Plate Boundries?
200
The theory that Alfred Wegener developed
What is the Continental Drift Theory?
200
The point in which the earth first moves creating an earthquake
What is a focus?
200
Molten rock beneath the surface of the earth
What is magma?
200
The oldest ocean crust is found here
What is near the continents
200
When one plate goes under another
What is subduction?
300
Type of crust that is made primarily of granite
What is continental crust?
300
The point on the earth's surface directly above an earthquake
What is an epicenter?
300
The outtermost solid shell of a rocky planet
What is crust?
300
This island is located on top of a mid-ocean ridge.
What is iceland?
300
The deepest parts of the ocean
What is deep ocean trenches?
400
This creates island chains in the middle of tectonic plates
What is hotspots?
400
The fastest seismic wave
What is P-waves?
400
bits of pulverized rock and glass created by volcanic eruption
What is ash?
400
Mid-ocean ridges are found at this type of tectonic boundary
What is divergent bondries?
400
Mountain chains located in the middle of the oceans
What is mid-ocean ridges?
500
This is considered to be the driving force behind tectonic plate movement
What is convection currents?
500
DAILY DOUBLE!!!! Measures the size of an earthquake
What is The Richter Scale?
500
an area with a large number of earthquakes and volcanic eruptions
What is The Pacific Ring of Fire?
500
Where new oceanic crust is formed through volcanic activity
What is seafloor spreading?