Plate Tectonics

Which layer of Earth is described as a rigid layer of solid rock?

• Core

• Mantle

• Lithosphere

• Crust

What is the process called that involves the movement of Earth's plates?

• Subduction

• Continental drift

• Plate tectonics

• Seafloor spreading

Which type of boundary is associated with the creation of new seafloor?

• Convergent

• Subduction

• Divergent

• Transform

What is the main cause of earthquakes?

• Plate movements

• Tidal waves

• Wind pressure

• Volcanic eruptions

What happens at a subduction zone?

• A plate slides past another

• Two plates collide and rise

• Two plates move apart

• A dense plate sinks below a lighter one

Volcanoes are caused by _____ movement.