Plate Boundaries
What plate boundary creates mountains and push toward each other?
Convergent Boundaries
What is the definition of Deposition?
Where the eroded earth is carried (deposited) and built up in one place
Who proposed the Continental drift theory?
Alfred Wegner
Which of the following causes Earth's tectonic plates to move?
Convection currents in the mantle
What is the definition of subduction?
the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
What type of boundaries creates trenches and push away from each other?
Divergent Boundaries
What is erosion?
The breaking down of the earth over a long period of time
What is the continental drift theory?
A theory that Alfred Wegner proposed that all the continents formed a super continent 200 million years ago
How is it possible for new crust to be formed without increasing the surface area of the Earth?
Crust is created and destroyed at the same time
What is the definition of the mid ocean ridge?
The continuous, double-ridged chain of mountains on the ocean floor, extending through the middle of the Atlantic Ocean and into the Indian and Pacific oceans
What boundaries create earthquakes?
What is the definition of weathering?
to wear away or change the appearance or texture by long exposure to the air.
How did he proved the continental drift theory?
He found fossils from two different continents that were the same also the shape of the continents
The Great Rift Valley in Africa and the Mid-Ocean Ridge were all created by this boundary?
Divergent Boundaries
What is the definition of asthenosphere?
The mantle's middle region. Its material is solid but can flow over time
What plate is older Oceanic or Continental?
Oceanic
What type of boundaries creates Volcanoes?
Divergent Boundary
What two specific continents fit together most noticeably?
South America and Africa
Subduction zones in the ocean can create which features?
Island, Earthquakes and Volcanoes
What is the definition of lithosphere?
The rigid outer part of the Earth, consisting of the crust and upper mantle