Continental Drift
The Name Credited with the Theory Of Continental Drift
Who is Alfred Wegner
What is the name of the Modern theory that describes the motion of Earth's Crust?
What is Plate Tectonic Theory
New Crust forms at these Types of Boundaries?
What are Divergent Boundaries
Magnetic stripes and rock ages on either side of mid-ocean ridges are evidence of?
What is Seafloor Spreading
As oceanic crust moves away from the ridge it does what?
What is gets older and denser
The coastlines of the continents seemed to fit together like?
What are Jig-Saw Puzzle Pieces
Earth's Crust is broken into pieces called?
What is Plates
This boundary involves two plates next to each other that are moving in opposite directions.
What is Transform Boundary
Evidence for Continental Drift included these 4 things.
What is Similar Fossils, Geographic Land-forms, Continent Shapes, & Climate Clues
Deep ocean trenches form where?
What is One plate sub-ducts under another.
Continental Drift Theory was originally rejected because it lacked this?
What is a "Driving Force"
The Driving Force of Plate movement is due to?
What are Convection Currents within the Mantle
Formed when an oceanic plate collides with a Continental plate.
What is a Trench
This chain of Volcanoes Active & Extinct is located in the middle of the Pacific plate and is evidence of Plate motion past and present.
What is Hawaii
The layer of Earth where convection currents occur is known as ?
What is the Mantle
Continental Drift Theory was initially proposed in what year?
What is 1912
The process where new ocean crust forms at mid-ocean ridges
What is Seafloor Spreading
The Himalaya Mountains formed at this type of Boundary?
What is a Convergent Boundary
The age pattern of oceanic rocks shows that:
What is Rocks get older as you move away from ridges
When plates move over a stationary plume of magma these features are formed
What are Hot Spots
Continental Drift proposed that there was once a super continent that was named?
What is PANGEA
Seafloor spreading creates these geographical features
What are Mid-Ocean Ridges
This well-known Transform Boundary is located in the United States
What is the San Andreas
Earth like the moon historically was bombarded with meteors however the Earth shows little evidence of these impacts left on its surface this is evidence of what theory explaining how they have been erased?
What is the Theory of Plate Tectonics
This Boundary type is known for creating strong Earthquakes but no Volcanoes
What are Transform Boundaries