chapter 3 - dynamic crust (vocab) Flashcards
1
Q
Intensity/Magnitutde
A
strength of an earthquake
2
Q
Mantle
A
The layer below earths crust, convection currents occur here
3
Q
Mid-Ocean Ridge
A
divergent plate boundary, located between N. america and Africa. Plates are moving away from one another
4
Q
Origin Time
A
The time an earthquake started
5
Q
Outer Core
A
layer below the mantle in which the material is liquid Nickel and Iron
6
Q
Pangea
A
Super-Continent
7
Q
P-Wave
A
compressional wave “push and pulls” , fastest of all waves , travels through all materials (solid,liquid,gas)
8
Q
Sea-Floor Spreading
A
occurs at a Divergent plate boundary , New oceanic crust is created, one side of the boundary is a mirror image of the other new/young crust is found closest to the spreading center
