Theory of Plate Tectonics

Which feature is associated with the letter L?

• Mid-Ocean Ridge

• Trench

• Continental Plate

• Subducting Plate

Tags

NGSS.MS-ESS2-3

Which feature is associated with the letter O?

• Mid-Ocean Ridge

• Trench

• Continental Plate

• Subducting Plate

Tags

NGSS.MS-ESS2-3

Which feature is associated with the letter M?

• Mid-Ocean Ridge

• Trench

• Continental Plate

• Subducting Plate

Tags

NGSS.MS-ESS2-3

Which feature is associated with the letter N?

• Mid-Ocean Ridge

• Trench

• Continental Plate

• Subducting Plate

Tags

NGSS.MS-ESS2-3

Which of the following is the best evidence that Earth's continents were once in vastly different positions than they are today?

• Penguins are found only in the Southern Hemisphere

• Fossils of tropical plants are found in Antartica

• Volcanoes encircle the Pacific Ocean

• Major rivers form deltas from continental erosion

Tags

NGSS.MS-ESS2-3

Alfred Wegner's Theory of Continental Drift was not well accepted because he couldn't say what force could be big enough to move continents. Current theories explain this movement with

• subduction zones at Continental margins

• hot spots forming under continents

• magnetic reversals of the north and south poles

• convection currents in the mantle

Tags

NGSS.MS-ESS2-3

On the Atlantic Ocean Floor, there is a long ridge of underwater mountains caused by volcanic eruptions. New volcanoes keep erupting and new mountains keep forming. Why is this happening?

• A new continent is forming

• The ocean floor is spreading

• Earth's center is becoming hotter

• Crustal plates are colliding

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which landform would most likely be created when two oceanic plates converge?

• A volcanic island arc

• a large watershed

• a smooth Continental shelf

• A chain of Continental mountains

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Most scientists believe that Earth's crust is composed of plates. There are two kinds of crust. Oceanic crust is more dense, on average, than Continental crust. Accordingly, what would most likely happen if a plate of oceanic crust and a plate of Continental crust collided?

• The oceanic crust would sink below the continental crust

• The oceanic crust would ride above the continental crust

• The continental crust would sink below the oceanic crust

• The continental crust would become thinner than the oceanic crust

Tags

NGSS.MS-ESS2-1

A rift valley is evidence of which kind of plate boundary?

• convergent

• divergent

• transform

• uniform

Tags

NGSS.MS-ESS2-3