Layers of the Earth Challenge Station

Front

What are the three main layers of the Earth?

Back

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

Front

What is the difference between continental and oceanic crust?

Back

Continental crust is thicker and less dense than oceanic crust.

Front

What is the outermost layer of the Earth called?

Back

The outermost layer of the Earth is called the crust.

Front

What is the primary composition of the Earth's mantle?

Back

The Earth's mantle is primarily composed of silicate minerals.

Front

What is the state of matter of the outer core?

Back

The outer core is in a liquid state.

Front

What is the thickest layer of the Earth?

Back

The thickest layer of the Earth is the mantle.

Front

What is convection and where does it occur in the Earth?

Back

Convection is the transfer of heat through fluid motion, and it occurs in the mantle (specifically the asthenosphere).

Front

How does the density of oceanic crust compare to continental crust?

Back

Oceanic crust is more dense than continental crust.

Front

What is the inner core made of?

Back

The inner core is primarily made of iron and nickel.

Front

What is the temperature range of the Earth's inner core?

Back

The temperature of the Earth's inner core can reach up to 5,700 degrees Celsius (10,300 degrees Fahrenheit).