Plate Tectonics Review

The movement of the tectonic plates is caused by

• the rotation of the Earth.

• convection currents in the Asthenosphere

• the gravity of the iron-nickel core.

• the Moho discontinuity.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

• the oceanic crust is melting.

• the denser ceanic crust is subducting under the less dense oceanic crust

• volcanic islands are forming.

• the tectonic plates are moving away from each other.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The Earth’s surface is not a solid surface but is divided into

• several oceanic plates.
• continental and crustal plates.
  
• seven continental plates.
• continental and oceanic plates.
  

Tags

NGSS.MS-ESS2-3

Geologists have long recognized that earthquakes are not randomly distributed on Earth but occur in concentrated areas that coincide with __________ and provide evidence for the theory of ___________ .

• mountain ranges; fault zones.
• continental borders; supercontinents.
• plate boundaries; plate tectonics
• areas of liquid magma; sea floor spreading.
  

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

___________ currents in the Earth's asthenosphere cause plate to shift at their boundaries. This movement also causes earthquakes and volcanic activity.

• conduction

• convection

• radiation

• ocean

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

What is the outermost layer of the Earth called?

• Core
• Mantle
• Crust

Lava that is still deep inside the earth is called ____________________________.

• lava
• magma
• volcano
• earthquake

Which layer is shown in red?

• crust

• mantle

• outer core

• inner core

Which layer is made of "flowing" solid rock (think clay or pudding)?

• crust

• mantle

• outer core

• inner core

Tags

NGSS.MS-ESS2-1

Sally is researching the differences that exist in each layer of the Earth. Which of the following best describes Earth's crust?

• Solid, rocky

• Liquid, metallic

• Semisolid, convecting

• Dense, extremely hot