Plate movements
Causes of plate movements and
100
If plates are moving away from eachother what is the type of boundary called?
Divergent, Sea Floor Spreading
100
Mid ocean ridge is caused by what?
Mantle convection or Ridge push
200
if plates are sliding pass eachother what is the type of boundary called?
Transform
200
Deep sea trenches are caused by what?
Slab Pull
300
if convergent type of boundries is 1 plate sinks becuase density is heavier then makes mountains without volcano what is the process called?
continent to continent collision
300
Who came up with the theory that all continents were together once before
Alfred Wegener
400
if inside the water plare are sinking causing deep sea trenches and has volcano what is the process called?
ocean to ocean subduction
400
who came up with theory that volcanos makes land from sea floor
Author Holmes
500
deep sea trench boardering continent has volcano along the coast
ocean to continent subduction
500
Who proved all the thories
Henry Hess
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