Plate tectonics theory

Molten rock beneath Earth’s surface is called ____.

• magma

• tephra

• lava

• pyroclasts

At the MOR, magma in the ______ is forced upward.

• lithosphere

• rift

• crust

• mantle

Tags

NGSS.MS-ESS2-3

At a transform plate boundary, ____.

• plates grind past each

  other

• plates diverge

• plates converge

• hot spots form

The MOR represents well-developed ______.

• divergence

• convergence

• faulting

• drifting

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

The spreading of the ocean floor is called ______.

• extraction

• ridging

• divergence

• faulting

Wegner reasoned that Earth’s rotation, gravity from the Sun and Moon, and ________ could move continents.

• centrifugal force

• tides

• magnetic force

• hurricanes

Tags

NGSS.MS-ESS2-3

Sonar shows that the edges of the continental shelves match ______.

• perfectly

• very well

• very poorly

• not at all

Tags

NGSS.MS-ESS2-3

At a divergent plate boundary, ____.

• one plate slides under

  another plate

• the edge of one plate

  melts and becomes magma

• plates grind past each

  other

• plates move apart

Tags

NGSS.MS-ESS2-3

Who first proposed the continent drift hypothesis?

• Matthews

• Wegener

• Vine

• Wilson

Tags

NGSS.HS-ESS1-5

How does the plate tectonics theory compare to the continental drift hypothesis?

• The theories are the same, only one is more recent.

• Plate tectonics provides a realistic mechanism by which crustal material is formed, moved, and recycled.

• continental drift theory accounts for crustal formation.

• The Plate Tectonics theory discounts the use of fossil evidence

Tags

NGSS.MS-ESS2-3