Earth Layers

Front

What are the main layers of the Earth?

Back

The main layers of the Earth are the crust, mantle, outer core, and inner core.

Front

What is the lithosphere?

Back

The lithosphere is the outermost, rigid layer of the Earth, consisting of the crust and the upper part of the mantle, divided into tectonic plates.

Front

Is oceanic crust more dense than continental crust?

Back

True.

Front

What is the correct order of the Earth's layers from outermost to innermost?

Back

Crust, mantle, outer core, inner core.

Front

What happens to pressure as you go deeper into the Earth?

Back

Pressure increases as you go deeper into the Earth.

Front

What is the asthenosphere?

Back

The asthenosphere is a semi-fluid layer of the upper mantle that lies beneath the lithosphere and allows tectonic plates to move.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is thinner and denser than continental crust.

Front

What is the composition of the inner core?

Back

The inner core is primarily composed of solid iron and nickel.

Front

What is the outer core responsible for?

Back

The outer core is responsible for generating Earth's magnetic field due to its liquid iron and nickel.

Front

How thick is the Earth's crust on average?

Back

The Earth's crust is about 5 to 70 kilometers thick, depending on whether it is oceanic or continental.