Chapter 5 Test Review

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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


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