Plate type
This causes new ocean floor to be formed.
What is seafloor spreading?
Rocks ____ and ____ to form mountains.
What is crumple, and fold?
Plates _________ past each other.
What is slide?
when molten rock rises from the _________.
What is asthenosphere?
The thinnest Layer of the Earth.
What is the Crust?
The Mid-Atlantic Ridge is an example of a ___________ boundary.
What is a Divergent boundary?
When one plate sinks under another.
What is subduction?
Crust is neither _______ or _______.
What is created, or destroyed
Marks where the ___ _____ spreads apart.
What is sea floor?
A number of rigid, but moving, pieces of Earth's surface.
What are Plate Tectonics?
This boundary caused the Himalayan mountains to be formed.
What is a convergent boundary?
Sinking plates form.
What is deep ocean trenches, island arcs,and coastal mountains?
Plates move past each other in ________ direction.
What is opposite?
Occurs where plates ____ apart.
What is move?
The theory that all continents are fragments of Pangaea now drifting apart.
What is the Continental Drift Theory?
Earthquakes and volcanoes are usually located in relation to these.
What is a plate boundary?
Crust is _____ where plates _____ .
What is destroyed,and subduct
Occur mostly on the ___ _____.
What is sea floor?
Also called.
What is spreading centers?
States that youngest rocks of ocean floor are at diverging boundaries, moving outward.
What is Seafloor Spreading?
The San Andreas Fault is an example of a _________ ________.
The older crust sinks because its ___ and _____ .
What is colder, and denser?
The ___ ______ ____ is an example of a land transform boundary.
What is the San Andreas fault?
The world's longest ridge.
What is the Mid-Atlantic ridge?
The hottest layer of the Earth, this layer is solid metal.
What is the inner core?