Earth Layers and Seismic Wave Flashcard

Front

What are the main layers of the Earth?

Back

The main layers of the Earth are the crust, mantle, outer core, and inner core.

Front

Which layer of the Earth is the hottest?

Back

The core is the hottest layer of the Earth.

Front

What is the outer core primarily composed of?

Back

The outer core is primarily composed of liquid iron and nickel.

Front

What type of seismic wave is a P-wave?

Back

A P-wave, or primary wave, is a type of seismic wave that is a compression wave where particles move in a parallel motion to the direction of the wave.

Tags

NGSS.MS-ESS2-3

Front

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

Back

P-waves are compression waves that can travel through solids and liquids, while S-waves are shear waves that can only travel through solids.

Front

What evidence suggests that the outer core is liquid?

Back

The fact that S-waves do not travel through the outer core suggests that it is liquid, as S-waves cannot pass through liquids.

Front

What is the composition of the inner core?

Back

The inner core is primarily composed of solid iron and nickel.

Tags

NGSS.MS-PS1-1

Front

How do seismic waves help us understand the Earth's interior?

Back

Seismic waves help us understand the Earth's interior by providing information about the different layers based on their speed and behavior as they travel through various materials.

Front

What is the role of the mantle in the Earth's structure?

Back

The mantle is the thick layer of the Earth located between the crust and the outer core, composed of semi-solid rock that flows slowly over time.

Tags

NGSS.MS-ESS2-1

Front

What is the significance of the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and the uppermost part of the mantle, and is involved in tectonic activity.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1