Chapter 5 Test Review
Molten material beneath Earth's crust rising to the surface defines _____ spreading.
...seafloor
Rising hot rock is less dense than cold rock, so hot rock pushes the _________ upward
...seafloor
When rocks undergo ______ strain, they do not go back to their original shape.
...shearing
Taking rock into Earth where it will be melted is an example of _________
...subduction
Fault-block mountains occur where the _____ pulls the crust apart.
...tension
The San Andreas Fault is (are) an example of a _____?
...transform boundry
Continental rift_________ are created within continents at divergent boundaries.
...valleys
Where two plates converge you may find_______.
...volcanic arc
North America's Interior Plains have been leveled by millions of years of ______ and _________
...weathering ....erosion
Mid-ocean ridges are where the ______ rocks on the ocean floor are located.
...youngest
In the hotter _____ crust and the upper mantle, rocks usually bend rather then break.
...lower
Subduction is a process that takes place inside the ________
...mantle
The ridge of a folded mountain is _____ to the direction of the compression that formed them.
...perpendicular
Mountains that have high flat regions are called?
...plateaus
What happens to the continental crust under a mountain as the mountain erodes?
...rises up
The continents float on the _______?
...Earth
When plates pull apart under the ocean, making the crust between them thinner, hot mantle rock pushes up and forms_______.
...Mid Ocean Ridge
________ are formed when two continental plates collide.
...Mountain Range
_______ form where rocks are hot, under pressure, and where continental plates collide.
...Mountains
Compression, tension, and shearing can change the ______ of rocks.
...Shape
A _______ forms where two oceanic plates collide.
...Subduction Zone
_______ is the stress that occurs as something is pulled apart.
...Tension
_______ mountains are formed when molten rock erupts onto Earth's surface and hardens.
...Volcanic
These types of mountains have rugged peaks and higher elevations
...Young Mountains
Land was added to the west coast of North America by volcanic arcs, pieces of other continents and _______?
...ancient sea floor spreading
Most basins form as the result of ________ and then fill with _________.
...areas of subsidence & low elevation......water
Coal and other energy resources are found in sedimentary_________
...basins
When sediments are eroded from mountains, where do they collect?
...basins
Active volcanoes are most likely to form at ________.
...continental boundries
When tectonic plates carry other segments of land to them, the ______ get bigger.
...continents
Faults in the Earth's ________ occur when rocks break rather then bend.
...crust
________ boundaries occurring within a continents at divergent boundaries.
...divergent
Plates move apart at ________ boundaries.
...divergent boundries
The Great Rift Valley is Africa is a _______.
...divergent boundry
Faults in the cold upper crust cause large blocks of crust to move_________.
...downward
Metamorphic rocks come to the surface on top of mountains after _______ removes other material.
...erosion
Continents grow by addition of igneous rock from _______ and fragments of land carried by colliding_________
...erupting volcanoes.....tectonic plates
The elevation of most of Earth's continent is _________ in the middle and ______ on the edges.
...flat....high
When volcanoes erupt, what happens to the size of the continents on which they exist?
...increase
the rock in the continental crust is ____ than the mantle.
...less dense
Earth's mountains float in a balance on top of the mantle as the result of?
Isostasy
At divergent plate ______ the plates move away from each other.
boundaries
Squeezing force that acts from opposite sides
compression
a tire on a car squashing a cupcake is an example of _________.
compression
An active continental rift may eventually split a _________ into two parts.
continent
________ pushes rock in tow opposite horizontal directions.
divergent
As tension stresses cause oceanic crust to spread apart, hot rock from the ________ rises.
mantle
Name 1 of the 3 things that explain the rock cycle.
plate techtonics
Parallel forces acting in opposite directions
shear
a change in a rocks shape due to stress is
strain
Which term is a rock cycle process caused by plate motion?
subduction
A vertical downward movement of the crust
subsidence
Name 1 of the 3 things that explain the rock cycle.
subsidence
If the glacier's on Greenland grew larger, the crust under the ice would?
suside
A pulling apart force
tension
Mid-ocean ridges are created by ________ stresses as plates diverge.
tension
Name 1 of the 3 things that explain the rock cycle.
uplift
The process that brings metamorphic and igneous rock to the surface is the _______
uplift
What can bring deeply buried rock to the Earth's surface?
uplift
Scientists have observed the plates on earth move at 1 to 12 cm per _______
year
