Plate Tectonics & Plate Boundaries

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Arc

Japan is an example of an island BLANK.

False

T or F A divergent boundary would create mountains.

False

T or F California is an example of an island arc.

True

T or F Indonesian Islands are an example of an Island arc.

True

T or F Japan is an example of an island arc.

True

T or F You will find earthquake activity in a continent to continent convergent boundary.

False

T or F there are only two types of convergent boundaries.

False

T or F, a subduction zone occurs where to plates move away from each other.

True

T or F, a subduction zones would have earthquakre activity.

Volcano

The vent on the earth's surface through which magma and gases are expelled is a called a BLANK.

Convergent

A BLANK boundary creates mountains.

Divergent

A BLANK boundary creates new ocean floor.

Pacific Ring of Fire

A major volcanic zone which is found along the Pacific ocean and travels all the way from South America, to North America and along Asia.

False

A transform boundary creates mountains.

Subduction

At a convergent convergent boundary where an ocean meets a continent, the ocean dives under. This is called BLANK>

Pacific

California borders the BLANK plate and the North American Plate.

Transform

In this boundary plates slide past each other.

Convergent

In this boundary the plates come togehter.

Divergent

In this boundary the plates move away from each other.

Sea floor spreading

Sea BLANK BLANK creates midocean ridges, earthquakes, and volcanic activity.

Gondwanaland

The continents of Africa, South America, India, Australia, and Antarctica when all the continents were a single landmass.

Laurasia

The continents of North America and Eurasia when all the continents were a single landmass.

Japan

This country is an example of island arc.

Mid Atlantic Ridge

This is an example of a mid ocean ridge.

Western Coast of South America

This is an example of a subduction zone at a convergent boundary between a continent and an ocean.

East Pacific Rise

This is an example of sea floor spreading at a divergent boundary.

Great African Rift

This place is in Africa and the plates are coming apart.

Sea Floor spreading

What type of process is created by a divergent boundary.

Subduction

When one tectonic plates dives under another, it is called BLANK.

Earthquake

When the earth's tectonic plates move, we call this a BLANK.

Volcanoes and Earthquakes

_____ and _____ are features found at an ocean to continent convergent boundary.

Midocean ridge

an underwater chain of mountains.

Convergent boundary

boundary between two colliding plates, often associated with mountain building ocean trenches and volcanic islands

Transform boundary

boundary between two plates that are sliding past each other.

Asthenosophere

is the layer of the upper mantle composed of low-density rock matterial that is semiplastic,like putty.

Rifting

the process by which Earth's crust breaks apart; can occur within continental crust or oceanic crust

Lithosphere

the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle

Plate Tectonics

the theory that explains how large pieces of the lithosphere, called plates, move and change shape the topography of the earth.

Convergent

this type of ocean to ocean boundary would create a trench.

Divergent boundary

where two plates are moving apart, magma comes up to create new crust


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