Continental Drift
Geologic Features
Plate Boundaries
Seafloor Spreading
Miscellaneous
100
The name of the supercontinent that broke apart to form the continents today.
What is Pangaea?
100
The geologic features that form at a continent-oceanic collision boundary.
What are trenches and volcanic mountain chains?
100
The boundary where two plates slide past one another.
What are transform boundaries?
100
The scientist who proposed the theory of seafloor spreading.
Who is Harry Hess?
100
The relative age of islands as you move away from a hot spot.
What are the islands are older?
200
The scientist who proposed the theory of continental drift.
Who is Alfred Wegener?
200
Geologic features that form from continent-continent collision boundaries.
What are non-volcanic mountain ranges?
200
The underlying mechanism for the movement of tectonic plates.
What are convection currents in the mantle?
200
The discovery of this feature helped to create the theory of seafloor spreading.
What is the mid-ocean ridge?
200
The area where one plate sinks below another plate.
What is a subduction zone?
300
Four pieces of evidence that support the theory of continental drift.
What are fossils, rocks, climate, and puzzle-like fit?
300
The geologic feature that forms when two continental plates move away from one another.
What is a rift valley?
300
The type of plate boundaries that can cause earthquakes.
What are all types of boundaries can cause earthquakes?
300
The youngest ocean floor rocks are found here.
What is closest to the mid-ocean ridge?
300
The theory that explains how the surface of Earth evolved by linking the ideas of seafloor spreading and continental drift.
What is plate tectonics?
400
The theory that provided the reasoning to the theory of continental drift.
What is the theory of seafloor spreading?
400
An underwater mountain range formed by the rising of magma from divergent plate boundaries.
What are mid-ocean ridges?
400
The reason why in a continent-continent collision no subduction occurs.
What is the continental crust is too buoyant to sink?
400
TWO pieces of evidence that support seafloor spreading.
What are the age of rocks and magnetic reversals?
400
Stationary areas found mid-plate that produce volcanic islands.
What are hot spots?
500
The claim that the theory of continental drift proposed.
What is that the continents were once connected and slowly drifted apart?
500
The deepest part of the ocean; formed from collision plate boundaries.
What are trenches?
500
Create a diagram that shows an oceanic-oceanic convergent boundary. Include labels.
500
The reason that seafloor spreading occurs.
What is magma/lava rises to the surface and pushes the plates apart?
500
The oldest rocks on Earth's surface are found here.
What is on the continents?