Plate Tectonics
Continental Drift
Boundaries
Hot spots
How?
Evidence
Plates move acrosss the earths crust
fossils match
Continents fit like a puzzle
ancient climates
geologic units match
Convergent
Divergent
Transform
Effects
Two plates slide past each other
Mountains
Valcanos
Earthquake
composite Valcano
cinder cone
shield volcano
Types
When two plates move towards each other
Oceanic-continental : Island arcs
Oceanic-oceanic : Volcano makers
Continental-continental: mountain makers
Only place where new crust is formed
The plates move away from each other
glacial climates
Coal deposites
Africa fits into South America