Plate Tectonics Brain Pop

What did Alfred Wegner call the supercontinent that he believed once existed?

• Pangaea

• Atlantis

• Gondwana

• Eurasia

What evidence supported Alfred Wegner's theory of continental drift?

• Fossils from similar plants and animals found in different continents

• Matching age and type of rock layers in different continents

• Both of the above

• None of the above

What did Harry Hess propose as a revolutionary idea about the ocean floor?

• The ocean floor was static and unchanging

• The ocean floor was sinking into the mantle

• The ocean floor was expanding due to volcanic activity

• New seafloor was forming at the Mid-Atlantic Ridge and spreading outward

What is the driving force behind the movement of the Earth's lithospheric plates?

• Magnetic fields from the Earth's core

• Tidal forces from the moon

• Convection currents in the mantle

• Solar energy

Where is seismic activity greatest in relation to plate boundaries?

• All of the above

• At transform boundaries

• At divergent boundaries

• At convergent boundaries

What process drives the rock cycle and creates mountain ranges?

• Plate tectonics

• Volcanic eruptions

• Subduction zones

• Seafloor spreading

What is the main reason behind the formation of the Himalayas?

• Collision of two continental plates

• Collision of two oceanic plates

• Divergence of two continental plates

• Subduction of oceanic plate beneath a continental plate

What is the unifying theory that ties together the entire field of geology?

• Plate tectonics

• Theory of relativity

• Theory of evolution

• Big bang theory