Earth's Layers & Seismic Waves

What is the outermost layer of the Earth called?

• Mantle

• Core

• Crust

• Lithosphere

Which type of seismic wave can travel through both solids and liquids?

• P waves

• S waves

• Surface waves

Tags

NGSS.MS-PS4-2

What is the name of the Earth's layer that behaves like a rigid shell and includes the crust and the upper part of the mantle?

• Asthenosphere

• Lithosphere

• Mesosphere

• Outer core

Which part of the Earth is liquid?

• Inner core

• Outer core

• Mantle

• Crust

What is the main difference between P waves and S waves?

• P waves are faster and can travel through both solids and liquids, while S waves can only travel through solids.

• S waves are faster and can travel through both solids and liquids, while P waves can only travel through solids.

• P waves cause vertical movement, while S waves cause horizontal movement.

• S waves cause vertical movement, while P waves cause horizontal movement.

Tags

NGSS.MS-PS4-1

What is the asthenosphere?

• The outermost layer of the Earth

• The layer of the Earth's mantle that lies just below the lithosphere

• The solid inner layer of the Earth

• The liquid outer layer of the Earth

Tags

NGSS.MS-ESS2-1

What is the primary method scientists use to study the Earth's interior?

• Direct observation

• Seismograph readings

• Drilling

• Satellite imaging

What is the Earth's inner core made of?

• Liquid iron and nickel

• Solid iron and nickel

• Molten rock

• Solid rock

What is the shadow zone in seismology?

• An area on the Earth's surface where no seismic waves can be detected

• An area on the Earth's surface where only P waves can be detected

• An area on the Earth's surface where only S waves can be detected

• An area on the Earth's surface where seismic waves are detected more clearly

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer core

• Inner core