Tectonic Plates and Earth Layers Quiz

Which layer of the Earth is primarily responsible for generating convection currents that drive plate movement?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the main cause of the movement of tectonic plates?

• Gravitational pull from the Moon

• Wind and ocean currents

• Convection currents in the mantle

• Rotation of the Earth

Tags

NGSS.MS-ESS2-3

What type of plate boundary is commonly associated with volcanic eruptions?

• Transform

• Convergent

• Divergent

• None of the above

Which type of magma is most likely to result in an explosive volcanic eruption?

• Basaltic magma

• Rhyolitic magma

• Andesitic magma

• Ultramafic magma

What is the main difference between oceanic and continental plates?

• Oceanic plates are thicker and less dense.

• Continental plates are denser and thinner.

• Oceanic plates are thinner and denser.

• Continental plates have more iron content.

Which Earth layer is composed of solid iron and nickel and is responsible for generating the Earth's magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the primary source of heat that drives mantle convection?

• Solar energy

• Radioactive decay

• Friction between plates

• Ocean currents

How does subduction at convergent boundaries contribute to magmatism?

• By creating new crust

• By melting the oceanic plate

• By cooling the magma

• By decreasing pressure in the mantle

Tags

NGSS.MS-ESS2-1

What is a common indicator of an impending volcanic eruption?

• Decrease in gas emissions

• Ground deformation and increased seismic activity

• Sudden cooling of surrounding areas

• Falling water levels in nearby lakes

Tags

NGSS.MS-ESS3-2

Which type of boundary is most associated with the formation of mid-ocean ridges?

• Convergent boundary

• Divergent boundary

• Transform boundary

• Subduction zone

Tags

NGSS.MS-ESS2-1