Stress on Earth's Crust
The upward vertical motion of Earth's surface is called...
What is Uplift
As molten rock and ash erupt into Earth's surface, they harden and form...
What are volcanic mountains?
________ _________ are deep underwater troughs created by one plate subducting under another plate at a convergent boundary.
What are ocean trenches?
A change in the shape of the rock caused by stress is called
What is strain?
__________ is the equilibrium between continental crust and the denser mantle beneath it.
What is isostasy?
The downward vertical motion of Earth's surface is called...
What is subsidence?
When large regions rise vertically with very little deformation, _________ mountains form
What is uplifted mountains?
A curved line of volcanoes that forms parallel to a plate boundary...
What. is a volcanic arc?
______ _________ creates a permanent change in shape so rocks cannot go back to their original shape.
What is Plastic strain?
True or False? In older mountain ranges, metamorphic rocks that formed deep below the surface can become exposed at the tops of mountains
What is true?
Squeezing stress is called...
What is compression?
_________ mountains are made of layers of rock that are folded as continental plates collide...
What are folded mountains?
Name a landform that forms as a result of shear?
What are Transform faults and fault zones?
_________ __________ occurs when stresses are small or rocks are very strong, causing them to snap back to their original shape.
What is Elastic strain?
Where tectonic plates slide horizontally past each other, they form....
What is transform faults?
Stress that pulls something apart is called...
What is tension?
__________ are parallel ridges that form where blocks of crust move up or down along faults.
What are fault-block mountains?
Name two landforms that form as a result of tension at a divergent boundary..
What are mid-ocean ridges and continental rifts?
An area of many fractured pieces of crust along a large fault is called a....
What is a fault zone?
Why do continents float on top of the mantle?
What is they are less dense than the mantle?
Parallel forces acting in opposite directions is called _________ and tends to form at __________ plate boundaries.
What is shear? and What is Transform?
Two parts:
If a plate boundary remains active, there is ________ stress at a _________ plate boundary that will allow mountains to continue growing.
What is compression at a convergent boundary?
Name three landforms that form as a result of compression at a convergent boundary..
What are mountains, ocean trenches, and volcanic arcs?
Why are the Appalachians smaller than the Rockies and are they older or younger?
What is the appalachians have been worn down by weathering and erosion and are much older than the rockies?
When continents split at a divergent boundary, they often break where they first collided. What are the two things that can occur as a result of this?
What is a rift forms and this often grows until seawater flows into it forming an ocean?