Layers of the Earth Quiz

What is the outermost layer of the Earth?

• Mantle

• Crust

• Outer core

• Inner core

Which layer of the Earth is composed mostly of silicon, oxygen, aluminum, and magnesium? These elements are not dense compared to metals but they are more dense than many other elements.

• Crust

• Mantle

• Outer core

• Inner core

What is the main element found in the Earth's outer core?

• Iron

• Silicon

• Magnesium

• Aluminum

The Earth's inner core is solid due to:

• High temperature

• High pressure

• Chemical composition

• Magnetic field

Which layer of the Earth is liquid?

• Crust

• Mantle

• Outer core

• Inner core

Tectonic plates are the same as which layer of the Earth?

• Crust

• Mantle

• Outer core

• Lithosphere

The asthenosphere is part of which larger layer of the Earth?

• Crust

• Mantle

• Outer core

• Inner core

What is the primary characteristic that differentiates the lithosphere from the asthenosphere?

• Composition

• Temperature

• Density

• Plasticity

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

• Crust

• Mantle

• Outer core

• Inner core

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the approximate thickness of the Earth's crust under the continents?

• 5-10 km

• 30-50 km

• 70-100 km

• 100-150 km