Earth Science Mastery Quiz

Which layer of the Earth is the most dense?

• Inner core
• Crust
• Mantle
• Outer core

What is the thinnest layer of the Earth's interior?

• Crust

• Mantle

• Outer core

• Inner core

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

• Crust

• Mantle

• Atmosphere

• Core

What is the asthenosphere?

• The rigid outermost layer of the Earth's crust

• A type of cloud formation over the polar regions

• Semi-fluid layer of the Earth's mantle beneath the lithosphere
• A liquid layer of the Earth's core

What is the lithosphere?

• The outermost layer of the Earth's atmosphere

• The semi-fluid layer of the Earth's mantle

• The rigid outer part of the earth, consisting of the crust and upper mantle

• The liquid layer of the Earth's core

What is the engine that drives plate tectonics?

• Convection currents in the Earth's mantle

• Rotation of the Earth's liquid outer core

• Volcanic activity on the Earth's crust

• Impact of the Moon's gravitational pull

What are the three types of plate boundaries?

• Convergent, Divergent, and Transform

• Convergent, Subduction, and Transform

• Convergent, Divergent, and Subduction

• Divergent, Transform, and Subduction

What is a convergent plate boundary?

• Where two plates move away from each other

• Where two plates slide past each other

• Where two plates move towards each other

• Where two plates remain stationary

What happens at a divergent plate boundary?

• Earthquakes occur

• Mountains are formed

• New crust is created

• Crust is destroyed

What is the process that occurs at a transform plate boundary?

• Creation of new crust

• Subduction of one plate beneath another

• Sliding of plates past each other

• Formation of mountains