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Plate Boundary Notes
Plate tectonics – the theory that the Earth’s lithosphere is divided into ______________________________
_________________________________________________________ around on top of the asthenosphere.

The lithosphere is made up of two types of crust
1. Continental –
2. Oceanic –
What direction do plates move?
3 Types of Plate Boundaries:
1. Convergent
2. Divergent
3. Transform
What happens when the plates move?
1. Convergent Plate Boundary
a. Subduction –
i. Density!!
1. More dense plates ________________________________________________
b. Oceanic-Oceanic
i. Arrows:
ii. Picture:
iii. Land Features:
c. Ocean-Continent
i. Arrows:
ii. Picture:
iii. Land Features:
d. Continent-Continent
i. Arrows:
ii. Picture:
iii. Land Features:
2. Divergent Plate Boundary
a. Sea-Floor Spreading –
i. Oceanic Ridge –
3. Transform Plate Boundary
a. Strike-slip-fault –
i. Very Famous Example –