16 Questions
Who first speculated the idea that continents might have drifted?
Abraham Ortellius
In which book did Alfred Wegener present his ideas about continental drift?
The Origin of Continents and Oceans
What was the name given to the supercontinent that was formed by a series of continental collisions?
Pangea
During which era did the supercontinent Pangea begin to break apart?
Mesozoic era
Which landmass includes most of the present-day North America, Greenland, Europe, and Asia?
Laurasia
Which landmass includes most of the present-day South America, Africa, India, Australia, and Antarctica?
Gondwana
What did Harry Hess theorize in the 1960s?
The sea floor is moving along with the continents
What is the driving force for the motion of the continents and the sea floor?
Mantle convection
What led to the formation of the Himalayan mountain range?
Collision of India with Asia
What did the Pangea breakup lead to?
Formation of isolated continental regions
What is the proof that supports sea floor spreading?
Paleomagnetism
What happens when hot magma rises to the surface at mid-oceanic ridges?
It solidifies and forms new oceanic crust
What does seismic studies confirm about oceanic crust?
It is sinking into the trenches
What did Harry Hess propose as the explanation for sea floor spreading?
Mantle convection
What caused the formation of mid-oceanic ridges and rifts on the ocean floor?
Hot magma emissions
What has been found to be moving away from the rift at mid-oceanic ridges?
Solidified lava on both sides of the ridge
Test your knowledge about the theory of continental drift proposed by Alfred Wegener and the evidence he collected to support his ideas.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
