Layers of the Earth Quiz

What is the outermost layer of the Earth called?

• Mantle

• Crust

• Outer Core

• Inner Core

Which layer of the Earth is responsible for generating the Earth's magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the composition of the Earth's inner core?

• Solid rock

• Liquid iron and nickel

• Solid iron and nickel

• Dense rock

Which layer of the Earth is composed of denser rock than the crust?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the maximum depth scientists have reached in Earth's crust?

• 5.2 miles

• 7.6 miles

• 10.4 miles

• 12.8 miles

Which method is primarily used to understand Earth's interior?

• Drilling

• Seismic waves

• Satellite imaging

• Thermal mapping

What are the two most abundant elements in Earth's crust?

• Iron and Nickel

• Silicon and Oxygen

• Magnesium and Sulfur

• Calcium and Sodium

Which of the following is NOT a primary component of Earth's bulk chemical composition?

• Iron

• Oxygen

• Gold

• Silicon

This question includes a diagram.

What fraction of Earth's mass does the core represent?

• 1/2

• 1/3

• 1/4

• 1/5