Earth's Layers and Core Temperature Quiz

What is the main reason humans have not been able to dig past the Earth's crust?

• The crust is too thick.

• The equipment cannot withstand the high temperatures.

• There is no interest in digging deeper.

• The crust is made of impenetrable material.

Which layer of the Earth is the thickest?

• Outer Core

• Mantle

• Inner Core

• Crust

What is the primary composition of the Earth's outer core?

• Liquid iron and nickel

• Silicon and magnesium

• Solid rocks and minerals

• Molten magma

How does the temperature at the edge of the outer core compare to the surface of the sun?

• It is about the same as the sun's surface.

• It is not comparable to the sun's surface.

• It is cooler than the sun's surface.

• It is hotter than the sun's surface.

What is the estimated temperature at the Earth's inner core?

• Approximately 5,000 degrees Fahrenheit

• Over 10,000 degrees Fahrenheit

• Around 7,000 degrees Fahrenheit

• Less than 3,000 degrees Fahrenheit