Quiz on Continental Drift and Plate Tectonics

Who proposed the continental drift hypothesis?

• Isaac Newton

• Alfred Wegener

• Marie Curie

• Charles Darwin

What did Wegener's hypothesis explain about continents?

• Why they are flat

• Why they are cold

• Why they fit together like puzzle pieces

• Why they are colorful

What was the main question scientists had about continental drift?

• How could solid rock move?

• Who discovered it?

• When did it start?

• Where did it happen?

What do scientists use to study seismic waves?

• Microscopes

• Seismographs

• Radios

• Telescopes

What is the outermost layer of Earth called?

• Mantle

• Core

• Crust

• Bedrock

What type of crust is thinner but heavier?

• Bedrock

• Topsoil

• Oceanic crust

• Continental crust

What process describes the creation of new oceanic crust?

• Volcanism

• Erosion

• Subduction

• Seafloor spreading

What happens at mid-ocean ridges?

• Plates move apart

• Plates sink

• Plates collide

• Plates slide sideways

What is created when one tectonic plate slides under another?

• Mountain ranges

• Volcanoes

• Rift valleys

• Deep ocean trenches

Who is known for discovering the two parts of Earth's core?

• Charles Lyell

• Isaac Newton

• Alfred Wegener

• Inge Lehmann