Continental Drift

Multiple Choice

Who proposed the theory that all continents were once joined together in a supercontinent called Pangaea?

• Charles Darwin

• Alfred Wegener

• Isaac Newton

• Marie Curie

Multiple Choice

Which fossil evidence supports the idea that Africa and Antarctica were once connected?

• Fossils of Glossopteris

• Fossils of Lystrosaurus

• Fossils of Mesosaurus

• Fossils of Cygnognathus

Multiple Choice

What evidence do matching mountain ranges across continents provide for continental drift?

• They show continents have always been separate

• They suggest continents were once joined

• They prove continents move due to earthquakes

• They show mountains only form at plate boundaries

Multiple Choice

Which scientists contributed to the discovery of seafloor spreading?

• Alfred Wegener and Marie Tharp

• Harry Hess and Marie Tharp

• Harry Hess and Alfred Wegener

• Marie Tharp and Charles Darwin

Multiple Select

Select all statements that are true about tectonic plates. (select 2)

• They include both continents and ocean floors

• They float on the semi-liquid mantle

• They are only found under oceans

• They are fixed and do not move

Multiple Choice

How did Alfred Wegener's work contribute to our understanding of Earth's dynamics and the scientific process?

• He discovered earthquakes and volcanoes

• He laid the foundation for understanding Earth's dynamics and showed how science works through observation, theory, evidence, and new discoveries

• He invented the theory of evolution

• He proved that the Earth is flat

Multiple Choice

What is the name of the supercontinent that Alfred Wegener claimed once existed, where all continents were joined together?

• Laurasia

• Gondwana

• Pangaea

• Eurasia