A good example of a transform boundary is:
The Andes Mountains in South America.
The Cascade Range in the Western U.S.
The Philippine Islands in the Pacific.
The San Andreas Fault in California.
Which of the following major plates is located farthest south?
The Antarctic Plate
The South American Plate
The African Plate
The Arctic Plate
We would be likely to find a rift valley growing at:
A zone of continental uplift.
A continental shelf.
The deepest point of the ocean basin.
A divergent boundary.
Ocean trenches and volcanic mountains are two surface features commonly found at:
All types of plate boundaries.
Convergent plate boundaries.
Transform plate boundaries.
Divergent plate boundaries.
What discovery was NOT made from mapping the ocean floor?
Magnetic stripes in ocean rock
Magnetic immobility
Seafloor spreading
Underwater volcanoes
Convergent and transform plate boundaries can both be responsible for:
The expansion of the ocean floor and a rich marine life.
Continental drift and global warming.
The metamorphosis of fault lines between tectonic plates.
Generating strong earthquakes.
The outermost shell of the earth made up of the crust and upper part of the mantle is called the _____
lithosphere
magnetosphere
asthenosphere
atmosphere
What was the name of the project started in the 1960s that was designed to extract and analyze samples from the ocean floor?
The Glomar Project
The Seafloor Drilling Project
The Ocean Basin Project
The Deep Sea Drilling Project
What separates the South American plate and the African plate?
The Indo-Australian Plate
The Indian Ocean
The Mid-Pacific Ridge
The Mid-Atlantic Ridge
The modern continent of North America was most recently part of the landmass called:
Gondwana
Pangaea
Antarctica
Laurasia
What is the Cascade Range an example of?
A volcanic arc along an ocean-continent boundary.
A subduction zone along a divergent boundary.
Catastrophic dynamism of the Earth's crust.
Past Mid-Atlantic ridge transformation.
What do we know about the continents we have today?
They will never form another supercontinent.
They have stopped moving due to plate tectonics.
They formed when Pangaea split apart.
They float on top of the ocean floor.
Which of the following can be formed by a convergent boundary?
Deep ocean trenches
All of these
Volcanic islands
Volcanic mountains
Which of these is a FALSE statement about hot spots?
Hot spots prove that tectonic plates are not stationary.
The Hawaiian Islands are examples of hot spots.
Hot spots occur at the boundaries of tectonic plates.
Hot spots occur within tectonic plates.
As the leading edge of a tectonic plate is forced back into the mantle, a small convection current forms beneath it, pulling it downwards. This is known as what?
Thermal convection
Slab pull
Trench suction
All answers are correct
In what way does the Pacific plate distinguish itself from the others?
It is the smallest yet the most active tectonic plate.
It is the only transform plate.
It is the least active.
It is the largest tectonic plate.
Gondwana and Laurasia formed when:
Antarctica broke away from Australia and Pangaea.
The supercontinent of Pangaea broke apart.
The ocean basin erupted in volcanic activity.
The North American continent separated from Australia.
What fossils did Wegener NOT use to support his idea of continental drift?
Lystrosaurus
Mesosaurus
Cynognathus
Tyrannosaurus
When plates that are higher at the spreading center flow downhill and eventually flatten out to the ocean floor, we call that _____.
both ridge push and slab pull
ridge push
slab pull
earthquakes
Which of the following represents a divergent boundary?
The Cascade Mountains
The East African Rift Valley
The Andes Mountains
The San Andreas Fault
As the leading edge of a tectonic plate moves back into the Earth, gravity can assist its movement downward. This is known as what?
Slab pull
Trench suction
Ridge push
Thermal convection
Wegener's name for the super-continent he thought existed before the continents broke apart was _____.
Pangea
Geotechnic
Panthallassa
Lunagea