Unit 4 Study Guide: Earth's Layers and Plate Tectonics

What type of crust is thick, primarily granite, and less dense (2.7 g/cm³)?

• Continental Crust

• Oceanic Crust

• Basaltic Crust

• Mantle Crust

What type of crust is thinner, primarily basalt, and more dense (3.0 g/cm³)?

• Oceanic Crust

• Continental Crust

• Mantle Crust

• Core Crust

Which layer is the rigid upper layer of the mantle and part of tectonic plates?

• Lithosphere

• Asthenosphere

• Mesosphere

• Core

Tags

NGSS.MS-ESS2-1

Which layer is plastic-like and allows plate movement?

• Asthenosphere

• Lithosphere

• Inner core

• Crust

Which layer is solid and located between the outer core and asthenosphere?

• Stiff Mantle

• Inner Core

• Crust

• Lithosphere

Which part of the core is liquid and generates the magnetic field?

• Outer Core

• Inner Core

• Mantle

• Crust

Which part of the core is solid, dense, and hot?

• Inner Core

• Outer Core

• Mantle

• Crust

What type of plate boundary occurs when plates move apart, forming mid-ocean ridges, volcanoes, and rift valleys?

• Divergent Boundaries

• Convergent Boundaries

• Transform Boundaries

• Subduction Zones

Tags

NGSS.MS-ESS2-3

What type of plate boundary involves an oceanic plate subducting beneath a continental plate, forming trenches and volcanic arcs?

• Subduction Zones (Convergent Boundaries)

• Transform Boundaries

• Divergent Boundaries

• Collision Zones (Continental-Continental Convergence)

What type of plate boundary forms mountains like the Himalayas?

• Continental Collision (Convergent Boundaries)

• Divergent Boundaries

• Transform Boundaries

• Oceanic-Continental Subduction

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3