Layers of the Earth

Front

What are the four main layers of the Earth?

Back

The four main layers of the Earth are the Crust, Mantle, Outer Core, and Inner Core.

Front

What is the composition of the Earth's Crust?

Back

The Earth's Crust is composed of rock, soil, and sand.

Front

Which layer of the Earth is the thickest?

Back

The Mantle is the thickest layer of the Earth.

Front

What is the temperature range of the Inner Core?

Back

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

Tags

NGSS.HS-ESS2-3

Front

What is the state of matter of the Outer Core?

Back

The Outer Core is in a liquid state, composed mainly of molten iron and nickel.

Front

How does the temperature change as you move from the Crust to the Inner Core?

Back

The temperature increases significantly as you move from the Crust to the Inner Core.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the primary material found in the Mantle?

Back

The Mantle is primarily composed of silicate minerals, including olivine and pyroxene.

Front

What is the difference between the Inner Core and Outer Core?

Back

The Inner Core is solid due to immense pressure, while the Outer Core is liquid.

Front

What layer of the Earth is responsible for tectonic activity?

Back

The Crust, particularly the lithosphere, is responsible for tectonic activity.

Tags

NGSS.MS-ESS2-3

Front

What is the significance of the Mohorovičić discontinuity?

Back

The Mohorovičić discontinuity, or Moho, is the boundary between the Earth's Crust and the underlying Mantle.

Tags

NGSS.HS-ESS1-5