Earthquakes

What causes earthquakes?

• gravity from the sun pulling on the earth

• the molten core pushing on the crust

• the ocean pushing on the land

• crustal plates moving against each other

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

The huge pieces of the earth's crust are called ____________________________. 

• crust
• plates
• directions
• seismos

Tags

NGSS.MS-ESS2-3

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

Most earthquakes happen along the _________________. 

• coast
• faults
• desert
• directions

Tags

NGSS.MS-ESS3-2

Earthquakes under the water can cause _________________________________.

• tornadoes
• tsunamis
• lightening
• hailstorms

Tags

NGSS.MS-ESS3-2

Seismology

• Branch of science that studies earthquakes 
• Earthquakes 
• The sudden return to elastically deformed rock to its original shape. 
• Focus 

Tags

NGSS.MS-ESS3-2

Many earthquakes happen along the borders of...

• Countries
• Tetonic Plates
• Climate Zones
• None of the above.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

What is an epicenter? 

• Where an earthquake started
• The surface right above where an earthquake started 

What is a convergent boundary?

• When two plates move away from each other.
• When two plates move toward each other.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The epicenter of an earthquake is

• The point below the surface where rock begins to break and the first motion occurs
• The seismic station closest to the earthquake
• The place where the greatest damage occurs
• The point on the surface directly above the focus