Earth's Internal Structure

Which layer of Earth is responsible for generating the planet's magnetic field?

• Continental Crust

• Lower Mantle

• Outer Core

• Inner Core

How do seismologists primarily understand Earth's internal structure?

• Volcanic eruption studies

• Direct drilling

• Analyzing seismic wave patterns

• Satellite imaging

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-3

Which scientist is most credited with developing the initial theory of continental drift?

• Harry Hess

• Alfred Wegener

• Alexander Du Toit

• Abraham Ortelius

What mechanism primarily drives plate tectonic movement?

• Wind currents

• Ocean currents

• Mantle convection currents

• Gravity

Tags

NGSS.MS-ESS2-3

Which Earth layer has the highest density?

• Oceanic crust

• Outer core

• Inner core

• Continental crustContinental crust

What type of seismic wave can travel through both solid and liquid materials?

• Surface waves

• S-waves

• P-waves

• Rayleigh waves

Which plate boundary is characterized by two plates sliding horizontally past each other?

• Convergent boundary

• Subduction zone

• Transform fault boundary

• Divergent boundary

What process describes heat transfer from Earth's core through the mantle?

• Convection

• Sublimation

• Conduction

• Radiation

Which layer of Earth is partially molten and allows plate movement?

• Continental crust

• Lithosphere

• Inner core

• Asthenosphere

What force contributes to plate motion by pushing plates away from mid-ocean ridges?

• Gravity

• Mantle drag

• Slab pull

• Ridge push

Tags

NGSS.MS-ESS2-3