Exploring Earth's Layers and Tectonics

Which layer of the Earth is primarily composed of solid iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the primary cause of tectonic plate movement?

• Earth's rotation

• Gravitational pull from the moon

• Convection currents in the mantle

• Solar radiation

Tags

NGSS.MS-ESS2-3

Identify the type of plate boundary where two plates slide past each other.

• Convergent boundary

• Divergent boundary

• Transform boundary

• Subduction zone

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

• Crust

• Mantle

• Outer Core

• Inner Core

What is the main difference between oceanic and continental crust?

• Oceanic crust is thicker and less dense than continental crust

• Oceanic crust is thinner and more dense than continental crust

• Oceanic crust is composed mainly of granite

• Oceanic crust is older than continental crust

Which of the following processes is most likely to occur at a divergent plate boundary?

• Mountain formation

• Earthquake activity

• Sea-floor spreading

• Volcanic eruption

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

How would you describe the outer mantle (asthenosphere)?

• The rigid outer layer of Earth

• The semi-fluid layer where convection currents are found.

• The innermost layer of Earth

• The layer where the Earth's magnetic field is generated

Which type of plate boundary is most commonly associated with the formation of mountain ranges?

• Convergent boundary

• Divergent boundary

• Transform boundary

• Rift valley

Which of the following statements best describes a subduction zone?

• A region where two tectonic plates are moving apart

• A region where one tectonic plate is forced beneath another

• A region where two tectonic plates slide past each other

• A region where tectonic plates are stationary

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What are the primary reasons for the high temperatures within the Earth?

• Distance from the sun

• Pressure and radioactive decay

• Earth's rotation

• Ocean currents