Layers of the earth

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and the uppermost portion of the mantle.

Front

What is the composition of the mantle?

Back

The mantle is mostly molten and made of medium-density materials, primarily silicon and oxygen.

Front

What is the outer core made of?

Back

The outer core is composed of liquid nickel and iron.

Front

What is the inner core?

Back

The inner core is the solid innermost layer of the Earth, made primarily of iron and nickel.

Front

What describes the Earth's crust?

Back

The Earth's crust is solid and rocky, forming the outermost layer of the Earth.

Front

How thick is the Earth's crust compared to other layers?

Back

The Earth's crust is the thinnest layer compared to the mantle and core.

Front

What is the state of the outer core?

Back

The outer core is in a liquid state.

Front

What is the primary difference between the inner core and outer core?

Back

The inner core is solid, while the outer core is liquid.

Front

What materials primarily make up the Earth's mantle?

Back

The mantle is primarily made up of silicate minerals, which include silicon and oxygen.

Front

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

Back

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