Plates, plates, plates!
Come Together
Divide and Conquer
Transformers, Robots in Disguise!
Pangaea
100
What is the order of the Earth's interior? Start from outer to inner!
Crust, Mantle, Outer Core, Inner Core
100
When plates are colliding or subducting
Convergent
100
When plates are moving away from one another
Divergent
100
When plates slide past each other
Transform
100
Geologists believe that millions of years ago all of the continents were united into a single supercontinent, called......
Pangaea
200
The solid part of Earth's surface is called the....
Lithosphere
200
All of these represent areas of what?
Mountain building
200
Which plates best represents the crustal plate motion that is the primary cause of the volcanoes and deep rift valleys found at mid-ocean ridges?
Divergent
200
A huge undersea earthquake off the Alaskan coastline could produce these
Tsunamis
200
What supports the theory that all the continents were once a single landmass?
Rocks and fossil are the same where the continents appear to fit together.
Continentals fit together like a puzzle piece
300
What kind of movement causes Volcanic eruptions?
Tectonic Plates
300
Which two processes could result in the formation of high mountains with well-rounded peaks?
collision of crustal plates and erosion
300
If the African Plate and Arabian Plate continue to move in the directions the arrows indicate, the Red Sea will most likely become?
Wider because the two tectonic plates are moving apart
300
Which process was responsible for the displacement of the horizontal rock layers?
Faulting
300
Part of the east coast of South America and the west coast of Africa have matching fossils within the same series of rock layers. This provides evidence that these two continents were once....
Joined together as one landmass
400
What is the driving force of plate movement?
Convection currents.
400
Name ONE of the three types of convergent boundaries
Continental-to-continental
Continental-to-Oceanic
Oceanic-to-Oceanic
400
Mid-ocean ridges (rifts) normally form where tectonic plates are....
Diverging
400
The feature indicated by the arrow most likely occurred as a result of...
Earthquake
400
What feature of the continents best suggests that they were once joined?
Some continents fit together like puzzle parts.
500
What does the theory of continental drift suggest?
Present-day continents of South America and Africa once fit together like puzzle parts
500
Why does the oceanic plate subduct?
Because it is denser than continental crust.
500
The name of the process that causes new oceanic crust to form.
SeaFloor Spreading
500
What can be concluded about this map?
The west coast of North America is a zone of frequent crustal movement.
500
Which statement best explains why these freshwater Mesosaurus fossils are found today in some rock layers in both South America and Africa?
The continents were once connected as a single landmass.