Earth Structure

what are the types of seismic waves?

• P waves

• S waves

• P, S, and L waves

• L waves

Tags

NGSS.MS-PS4-2

what are P waves?

• Compressional, travels through solids and liquids

• Shear, trace through solids only

• Travel only along the surface

Tags

NGSS.MS-PS4-2

what are S waves?

• travels through solids and liquids

• Travels only along the surface

• Travels through solids only, stops when it hits liquid

What are L waves?

• only goes through solids

• only travels along the surface

• travels through solids and liquids

Tags

NGSS.MS-PS4-2

what are seismic waves detected by?

• meters

• seismometers

• S waves

• L waves

Tags

NGSS.MS-PS4-2

A seismometer readout is called a

• seismogram

• wave

• seismontier

when do the P waves arrive?

• last

• first

• after S waves

What does wave speed indicate?

• Composition of earth materials

• How hot the material is

• how fast magma is moving in the mantle

• how fast plates are moving

Tags

NGSS.MS-PS4-2

what happens to waves when they go through dense materials

• they slow down

• they speed up

• they stop

• they make a hole through the material

Tags

NGSS.MS-PS4-2

what happens to P waves going through liquids

• they stop

• they slow down

• they speed up

Tags

NGSS.MS-PS4-2