Chapter 6 test -Plate Tectonics

Which of these have been found on several continents separated by oceans. suggesting that they were once geographically closer together?

• plate boundaries
• plant fossils
• animals
• ice sheets

What is the process in which a denser plate sinks below a more buoyant plate?

• subduction
• sea floor spreading
• convection
• convergence

What is the name for the force that pulls on the rest of a plate as a part of a dense plate sinks?

• ridge push
• plate tectonics
• basal drag
• slab pull

Which term refers to vast mountain ranges on the seafloor?

• Mid ocean ridges
• volcanoes
• oceanic crust
• pillow lava

Which of these is made up of the crust and the solid, uppermost mantle?

• hydrosphere
• lithosphere
• seafloor
• biosphere

Which of these refers to the process by which new oceanic crust forms along a mid ocean ridge as older oceanic crust moves away from the ridge?

• seafloor spreading
• continental drift
• plate tectonics
• magnetic reversal

What is the name of the super continent that all continents were once part of? 

• Gondwana
• Pangaea
• Wegener
• Madagascar

Where did scientists find glacial features that are usually associated with cooler climates?

• mountain ranges
• Africa
• Antarctica
• plate boundaries

What term did Wegener use to describe the constant motion of continents on the surface of Earth?

• Pangaea
• continental drag
• continental movement
• continental drift

What word do geologists use to describe the forces that shape Earth's surface?

• mantle
• lithosphere
• comiplactic
• tectonic