The movement of the tectonic plates is caused by

convection currents in the Asthenosphere

the gravity of the iron-nickel core.

What geological forces are responsible for this range of volcanic mountains?

converging ocean and continental tectonic plates

erosion of the land by the ocean

deposition of sediments by the ocean

The Earth’s surface is not a solid surface but is divided into

continental and crustal plates.

Geologists have long recognized that earthquakes are not randomly distributed on Earth but occur in concentrated areas that coincide with __________ and provide evidence for the theory of ___________ .

plate boundaries; plate tectonics

continental borders; supercontinents.

areas of liquid magma; sea floor spreading.

Where are earthquakes MOST LIKELY to occur?

close to the center of tectonic plates

at divergent or convergent plate boundaries

What is the source of energy that drives plate movement?

convection currents in the asthenosphere

the different densities of the oceanic and crustal plates

the friction force between the plates that move past each other

Where would sea floor spreading most likely occur?

At divergent plate boundaries (oceanic vs. oceanic)

At convergent boundaries (oceanic vs. oceanic)

At convergent boundaries (oceanic vs. continental)

The Marianas Trench, where the Pacific Plate descends under the leading edge of the Eurasian Plate, is the deepest sea floor in the world. These ocean trenches form when two oceanic plates collide

and the older, less dense of the two plates rides over the edge of the older plate.

when convection currents in the mantle force the older plate downward.

and the younger, denser of the two plates, rides over the edge of the older plate.

and the plates are approximately the same age and density.

What does the theory of Continental Drift explain?

Continents were once together and slowly drifted to where they are today

Ocean currents move continents around the planet

Convection works deep within the asthenosphere

Mid-ocean ridges force tectonic plates to move

Tectonic plates are made of?

Continental and oceanic lithosphere

What is the process of convection?

The process of hot material rising and cooler material sinking in circular patterns

The process of hot rock solidifying and forming new crust

The process of explaining what goes up must come down

Strong ocean currents moving tremendous amounts of material

At this boundary plates slide past one and other and earthquakes are created

Continental-Continental Convergent

Folded mountains are created along

Continental-Continental Convergent

Volcanoes are created along

Divergent and Convergent boundaries

Transform and Convergent boundaries

Divergent and Transform boundaries

The boundary between Illionois and Wisconsin

How do the plates move along a divergent boundary?

They move away from one another

One move up the other moves down

How do the plates move along convergent boundaries?

They move away from one another

One moves up and one moves down

How do the plates move along transform boundaries?

They move away from one another

one moves up and one moves down

Wegener’s proposal of a supercontinent was supported by:

rock, fossil, and climate data.

convection currents in the mantle.

In sea-floor spreading, molten material rises from the mantle and erupts

along the edges of all the continents.

Plate Tectonics

Authored by David Jensen

Science

8th Grade

NGSS covered

Used 105+ times

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which explains that the continents were once joined together and over time they broke up and then drifted apart?

Plate Tectonic Theory

Continental Drift

Tags

NGSS.MS-ESS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these explains that Earth's outer layer is broken into large slowly moving pieces?

Plate Tectonic Theory

Continental Drift

Tags

NGSS.MS-ESS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This boundary is described by two plates moving away from each other along the edges and separating. The resulting gap allows magma to rise and create new crust, forming new lithosphere.

Convergent Boundary

Divergent Boundary

Transform Boundary

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This boundary is described as two plates moving past each other ALONG THE EDGES horizontally. These boundaries will get stuck or lock against each other causing earthquakes when they slip and release.

Convergent Boundary

Divergent Boundary

Transform Boundary

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This boundary is described as moving toward each other. When the plates are both continental they will fold together and form mountains. When they are continental and oceanic plates, subduction occurs and volcanic mountains form.

Convergent Boundary

Divergent Boundary

Transform Boundary

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Trenches, deep underwater canyons on the sea floor are created at this type of boundary

Divergent

Convergent, Subduction Zone

Transform

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

MULTIPLE CHOICE QUESTION

45 sec • 12 pts

New crust is created at this type of boundary.

Divergent

Convergent, Subduction Zone

Transform

Tags

NGSS.MS-ESS2-2

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Plate Tectonics

Which explains that the continents were once joined together and over time they broke up and then drifted apart?

Which of these explains that Earth's outer layer is broken into large slowly moving pieces?

This boundary is described by two plates moving away from each other along the edges and separating. The resulting gap allows magma to rise and create new crust, forming new lithosphere.

This boundary is described as two plates moving past each other ALONG THE EDGES horizontally. These boundaries will get stuck or lock against each other causing earthquakes when they slip and release.

This boundary is described as moving toward each other. When the plates are both continental they will fold together and form mountains. When they are continental and oceanic plates, subduction occurs and volcanic mountains form.

Trenches, deep underwater canyons on the sea floor are created at this type of boundary

New crust is created at this type of boundary.

Mountains are created at this type of boundary.

Mid-ocean ridge formation is created at this type of boundary.

The movement of the tectonic plates is caused by

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