Layers of Earth Video

What is the outermost layer of the Earth called?

• Mantle

• Inner Core

• Crust

• Outer Core

How deep is the mantle?

• Nearly 1400 miles

• Approximately 25 miles

• About 1900 miles

• Around 1500 miles

What causes earthquakes according to the video?

• Movement of the sun

• Shifting of the inner core

• Movement and interaction of tectonic plates

• Melting of the outer core

What is the Earth's outer core made of?

• Solid iron and nickel

• Liquid water and minerals

• Hot liquid iron and nickel

• Solid rock and silicate materials

How hot can the Earth's inner core get?

• Nearly 6000 degrees Kelvin

• Up to 13,000 degrees Fahrenheit

• About 1000 degrees Fahrenheit

• Around 500 degrees Celsius