12 Questions
Which theory proposed that continents move slowly across Earth's surface?
Continental Drift
What was the supercontinent that formed 300 million years ago?
Pangaea
What landmasses did Laurasia comprise of?
North America, Greenland, and Eurasia
Who formalized the theory of seafloor spreading after World War II?
Hess
What major steps led to the transition from Pangaea to today's continents?
Opening of Tethys Sea and opening of Atlantic Ocean
What is the process in which oceanic lithosphere of one plate bends and dives into the mantle beneath another plate?
Subduction
What evidence did Alfred Wegener use to support the theory of Continental Drift?
All of the above
Which of the following is typically associated with an active continental margin?
Deep-sea trench
What reveals the locations of plate boundaries based on a geographic pattern that outlines lithospheric plates?
Earthquake activity
What mechanism involves the weight of the subducting portion of a plate accelerating plate movement by pulling?
Slab pull
Which process involves magma rising along a mid-ocean ridge lifting oceanic lithosphere and forming a slope?
Ridge push
What movement of a plate is caused by friction between moving asthenosphere and the lithosphere?
Mantle drag
Test your knowledge on the supercontinent Pangaea and its split into Laurasia and Gondwana. Learn about the geological processes that led to the formation of these ancient landmasses.
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