Show:
Plate Tectonics 1
Plate Tectonics 2
Plate Tectonics 3
Plate Tectonics 4
Plate Tectonics 5
100
What causes the movement of Tectonic Plates?
Convection currents in the Mantle
100
What is the outermost layer of the Earth called?
Atmosphere
100
What is the core mostly made out of?
Iron
100
What do you call cracks that are made in the plates from all of the pushing and shoving?
Faults
100

What type of plate boundary is the San Andreas Fault?

Transfrom 

200
What layer of Earth is made of mostly solid iron?
Inner Core
200
What do you call the area where two tectonic plates meet?
Plate Boundary
200
What happens when a continental plate converges with a continental plate?
Their densities are similar and result in both plates pushing upward into mountains
200
What type of boundary is made when two tectonic plates collide?
Convergent
200
What type of boundary is the African Rift Valley?
Divergent
300
What layer do the tectonic plates float on?
Asthenosphere
300
What is a boundary where two plates slide along each other?
Transform
300

What Crust type is generally older: Oceanic or Continental 

Oceanic

300

What is it called when one plate slides under another 

Subduction 

300

How many crust type combinations are there 

7

400
What is used to measure the strength of earthquakes
seismograph
400
What is used to measure the movement of tectonic plates? (double jeopardy, add or deduct twice.)
Global Positioning System (GPS)
400
What hardens to form new rock at mid-ocean ridges?
Magma
400

What tectonic phenomena tend to occur at Transform Faults 

volcanic arc islands, tall mountains, shallow earthquakes, deep trenches   

Shallow Earthquakes 

400
What is the raising of a rock layer?
Uplift
500
Who developed the theory of continental drift?
Alfred Wegner
500
What did making a map of where earthquakes happened, show scientists?
The edges of the plate boundaries
500
What is the theory that the earth's surface is broken up into large pieces that float on top of the asthenosphere?
The Plate Tectonic Theory
500
The type of tectonic plate boundary that sometimes has a subduction zone is ______.
Convergent Boundary
500
What is stress that stretches a rock layer?
tension