Plate Tectonics Review

When an earthquake occurs, energy radiates in all directions from its SOURCE, which is called the ____.

• epicenter

• focus

• fault

• seismic center

Tags

NGSS.MS-PS3-5

During an earthquake, the ground surface ____.

• moves only in a horizontal direction

• moves only in a vertical direction

   

• can move in any direction

• does not move

Which seismic waves compress and expand or push and pull rocks in the direction the waves travel?

• P waves

• S waves

• surface waves

• transverse waves

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

Overall, which seismic waves are most destructive?

• p waves

• s waves

• compression waves

• surface waves

Tags

NGSS.HS-ESS3-1

The distance between a seismic station and the earthquake epicenter is determined from the ____.

• calculation of the earthquake magnitude

   

• intensity of the earthquake

   

• arrival times of P and S waves

   

• measurement of the amplitude of the surface wave

   

What layer is labeled Y?

• asthenosphere

• crust

• MOHO

• Mantle

Tags

NGSS.MS-ESS2-1

Earth's thin, rocky, outer layer is the _________?

• core

• mantle

• outer core

• crust

The supercontinent in the continental drift hypothesis was called ____.

• Panthalassa

• Pangaea

• Mesosaurus

• Africanus Austrailus

What hypothesis states that the continents were once joined to form a single supercontinent?

• plate tectonics

• seafloor spreading

• continental drift

• paleomagnetism

Tags

NGSS.MS-ESS2-2