Plate Tectonics 1
What is the most popular Mid Ocean Ridge.
Mid Atlantic Ridge
Volcanic Mountains such as Mount Rainier are formed by ________ continental and oceanic plates.
converging
_________ are produced from converging continental plates.
Tall Mountains
This is evidence of a subduction zone.
ocean trench
True or False The San Andreas fault is a famous transform fault.
True
False
The area in the Pacific with many volcanoes and earthquakes.
Ring of Fire
Tectonic plates interact at places called plate ___________.
boundaries
What two continents fit together like a jigsaw puzzle, and are used as a source of evidence.
South America and Africa
The area where one plate slides under another overriding plate, and back into the mantle is called...
subduction zone
Ocean ridges are formed due to____________
diverging oceanic plates
No subduction takes place in _______________converging boundaries.
Continent to Continent
A Continental Rift, or rift valley is formed by ______________
Diverging continental plates
The theory that Earth's plates shift and bump into each other is called ______________
Theory of Plate Tectonics
Fossils of reptiles Lystrosaurus and Mesosaurus across the oceans is considered evidence of...
continental drift
The pushing force at a divergent boundary is called ___________________
ridge push
In an Oceanic-Oceanic converging boundary the __________plate will subduct.
denser (older)
The ___________ is the area of the mantle with high plasticity that allows the lithosphere to move with convection.
asthenosphere
The crust at mid-ocean ridges is much _________ than at trenches.
younger
Japan formed from the _________ of ________ crust.
Two tectonic plates moving towards each other make a _______________
Convergent Boundary
The rift valley on the ___________ plate is eventually going to expand the Indian Ocean westward.
African
Paleomagnetism studies the record of Earth's ___________ over its history.
polarity
Alfred Wegener is credited with the initiation of the theory of ___
Continental Drift
Sonar uses ________________ to detect distances, or depths.
sound waves