Continental Drift

Who is the scientist most associated with the theory of continental drift?

• Alfred Wegener

• Isaac Newton

• Charles Darwin

• Marie Curie

What was the name of the supercontinent that existed about 240 million years ago?

• Pangaea

• Rodinia

• Pannotia

• Gondwana

What evidence did Alfred Wegener use to support his theory of continental drift?

• Fossils of mesosaurus

• Tropical plant fossils in Svalbard

• Geological similarities between South America and Africa

• All of the above

What is the process called where new seafloor is added to the edges of the old?

• Seafloor spreading

• Rift valley formation

• Subduction

• Plate tectonics

Which tectonic plates are moving away from each other along the Mid-Atlantic Ridge?

• North American and Eurasian plates

• South American and African plates

• Indian and Asian plates

• Pacific and Australian plates

What is the name of the underwater mountain range where seafloor spreading is most dynamic?

• Mid-Atlantic Ridge

• Great Rift Valley system

• Himalayas

• Appalachian Mountains

What is the term for the process where a continental landmass is ripping itself apart?

• Rift valley formation

• Seafloor spreading

• Subduction

• Plate tectonics

What is the name of the ancient, giant landmass that split apart to form the continents we know today?

• Pangaea

• Rodinia

• Pannotia

• Gondwana

What is the main geologic force behind continental drift?

• Seafloor spreading

• Rift valley formation

• Subduction

• Plate tectonics

What is the name of the reptile whose fossils were found in both southern Africa and South America?

• Mesosaurus

• Tyrannosaurus rex

• Stegosaurus

• Brachiosaurus