Earth's interior

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

Which layer of the Earth is the thickest?

Back

Mantle

Front

What type of energy causes the movement of molten rock in the mantle?

Back

Thermal energy

Front

What is the thinnest layer of the Earth?

Back

Crust

Front

What do we call the layer that includes both the upper mantle and the crust?

Back

Lithosphere

Front

What is the layer beneath the crust called?

Back

Mantle

Front

What are the two main components of the Earth's core?

Back

Outer core and inner core

Front

What is the state of matter of the outer core?

Back

Liquid

Front

What is the state of matter of the inner core?

Back

Solid

Front

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

Back

Silicate rocks