Earth's Layers and Seismic Waves

When S waves leave the Mantle and enter the outer core, they...

• speed up

• slow down

• get absorbed

Tags

NGSS.HS-PS4-1

Scientists discovered changes in Earth's interior by studying _________________ .

• tsunamis

• tides

• changes in seismic waves

• all of these

What are the four layers of the Earth?

• crust, mantle, outer core, inner core

• lithosphere, hydrosphere, atmosphere, hydrosphere

• mantle, lithosphere, crust, core

Which layer of the Earth is shown in ORANGE?

• Crust

• Mantle

• Inner Core

• Outer Core

Which of Earth's layers is best described as liquid metal?

• crust

• mantle

• outer core

• inner core

Which letter in the diagram identifies the layer of Earth made up of solid nickel and iron?

• layer A

• layer B

• layer C

• layer D

Tags

NGSS.MS-PS1-1

This layer is 67% of Earth's mass, and is the layer between the crust and the core

• Mantle

• Asthenosphere

• Oceanic Crust

• Mesosphere

Tags

NGSS.MS-ESS2-1

Scientists determine what Earth’s interior looks like by using:

• Volcanoes

• Seismic Waves

• Continental Drift

• Convection Currents

Which type of wave arrives to a point first?

• Primary Waves (P-Waves)

• Secondary Waves (S-Waves)

• Rayleigh Waves

• Love Waves

Which body wave is pictured?

• P-Wave

• S-Wave

• Rayleigh Wave

• Love Wave

Tags

NGSS.MS-PS4-2