Earthquakes

A seismogram shows that P waves travel

• at the same speed as surface waves

• more slowly than S waves.

• at the same speed as S waves

• faster than S waves.

Tags

NGSS.HS-PS4-1

What is a fault?

• a place on Earth where earthquakes cannot occur

• a fracture in Earth where movement has occurred

• the place on Earth’s surface where structures move during an earthquake

• another name for an earthquake

Tags

NGSS.MS-ESS3-2

A seismogram shows that P waves travel

• at the same speed as surface waves

• more slowly than S waves.

• at the same speed as S waves

• faster than S waves.

A travel-time graph can be used to find the

• focus of an earthquake.

• strength of an earthquake

• damage caused by an earthquake

• epicenter of an earthquake.

An earthquake’s magnitude is a measure of the

• size of seismic waves it produces.

• amount of shaking it produces.

• size of surface waves it produces.

• damage it causes.

Earth’s thin, rocky outer layer is its

• core

• mantle

• crust

• outer core

Earth’s thin, rocky outer layer is its

• core

• mantle

• crust

• outer core

Earthquakes most often occur

• in the middle of plates

• near plate boundaries

• where thunderstorms are

• along the coast

Tags

NGSS.MS-ESS3-2

The location on the Earth's surface where an earthquake occurs is referred to as

• tsunami

• focus

• epicenter

• subduction

Tags

NGSS.MS-ESS3-2

Which seismic wave cannot travel through the outer core of the Earth?

• Tsunami waves

• P waves

• S waves

• Sound waves