Earth's Structure Review

Which statement best describes Earth's crust and mantle?

• The crust is thicker and less dense than the mantle.

• The crust is thicker and more dense than the mantle.

• The crust is thinner and less dense than the mantle.

• The crust is thinner and more dense than the mantle.

The thinnest section of Earth's crust is found beneath

• oceans

• desert regions

• coastal plains

• mountain regions

What caused the interior of Earth to separate into layers?

• a decrease in the rate of rotation of Earth

• the gravitational pull on materials of varying densities

• variations in heating by the Sun due to Earth's tilt

• collisions with meteors and comets

Tags

NGSS.MS-ESS2-1

The arrows shown in the asthenosphere represent the inferred slow circulation of the plastic mantle by a process called

• insolation

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-1

Which layer of Earth is thought to be made of solid Iron and Nickel?

• Outer Core

• Mantle

• Inner Core

• Crust

What is the name of layer R?

• lithosphere

• inner core

• outer core

• asthenosphere

• mesosphere

Where is heat and pressure the greatest in the Earth?

• crust

• mantle

• outer core

• inner core

Tags

NGSS.HS-ESS2-3

The picture shows a model of the internal structure of Earth.

Which evidence best supports this model?

• evaluations of seismic data

• data from sonar

• samples of rocks from the layers

• data from radar

One of the very large sections of hard, solid rock making up Earth's crust

• Mantle

• Table

• Chair

• Plate

What kind of plate boundary is shown here?

• divergent
• convergent
• transform
• strike slip

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3