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

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

• seismograph

• seismometer

• seismogram

• seismophone

According to the picture above which shows the secondary waves?

• A

• B

• C

Tags

NGSS.MS-PS4-1

According to the image above which letter shows primary waves?

• A

• B

• C

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

WHAT DOES THE SPEED OF A SEISMIC WAVE DEPEND ON?​ (a)  

• THE MATERIAL WHICH THEY MOVE THROUGH

• HOW MUCH REST THEY HAD THE NIGHT BEFORE

• SEISMIC WAVES DO NOT MOVE SO SPEED IS NOTHING

Tags

NGSS.MS-PS2-5

NGSS.MS-PS3-4

AN EARTHQUAKE THAT HAS A MAGNITUDE OF 6 IS ​ (a)   TIMES STRONGER THAN AN EARTHQUAKE THAT HAS A MAGNITUDE OF 5.

• 32

• 64

• 75

• 100

Tags

NGSS.MS-ESS3-2

Match the following

• RATES THE MAGNITUDE OF SMALL EARTHQUAKES BASED ON THE SIZE OF THE WAVES RECORDED BY A SEISMOGRAPH

• MOMENT MAGNITUDE SCALE

• THE SCALE THAT RATES THE AMOUNT OF SHAKING FROM AN EARTHQUAKE WITHOUT AN INSTURMENT ONLY OBSERVATION

• RICHTER SCALE

• A SCALE USED TO RATE THE TOTAL ENERGY AN EARTHQUAKE RELEASES.

• MODIFIED MERCALLI SCALE

Tags

NGSS.MS-ESS3-2

Match the following:

• A magnitude scale for small earthquakes

• Moment magnitude scale

• Based on damage and human perception

• Mercalli modified scale

• A magnitude scale for large earthquakes

• Richter scale

Match the magnitude of the earthquake

to its impact.

• 3

• Most buildings will get damaged.

• 5

• People cannot feel it, but a seismograph can.

• 7

• Extreme destruction and death.

• 9

• Buildings that were poorly made might get damaged,

• 1

• Materials in your house might shake a little.

According to the picture, which letter represents surface waves?

• A

• B

• C

Tags

NGSS.MS-PS4-1