6-2 Earthquakes and Seismic Waves

What do you call the area beneath Earth's surface where rock that is under stress breaks, triggering an earthquake?

• focus

• epicenter

• seismograph

• magnitude

Tags

NGSS.MS-ESS3-2

Name the scale developed to rate earthquakes according to how much damage was done to homes and other buildings in a given place.

• Mercalli scale

• Moment Magnitude Scale

• Richter Scale

• Focus Factor Scale

What do you call the instrument that records and measures seismic waves?

• seismograph

• seismometer

• seismogram

• seismophone

Which rating system estimates the total energy released by an earthquake?

• Mercalli Scale

• Moment Magnitude Scale

• Richter Scale

• Focus Factor Scale

Tags

NGSS.MS-ESS3-2

The point at which a rock under stress breaks and triggers an earthquake is called the __________.

• wave start

• focus

• earthquake

• beginning

Tags

NGSS.MS-ESS3-2

According to the picture above which shows the secondary waves?

• A

• B

• C

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

According to the image above which letter shows primary waves?

• A

• B

• C

Tags

NGSS.MS-PS4-1

According to the picture, which letter represents surface waves?

• A

• B

• C

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following descriptions applies to the Richter scale?

• scale developed to rate earthquakes according to how much damage was done to homes and other buildings in a given place.

• The rating system that estimates the total energy released by an earthquake

• a rating of an earthquake's magnitude based on the size of the earthquake's seismic waves.

Which type of wave occurs when some P waves and S waves reach the surface? These waves move more slowly than P and S waves and can make the ground roll like ocean waves or shake buildings from side to side.

• Secondary waves

• Primary waves

• Surface waves