L16 Earth's Tectonic Plates

Which layer of the Earth is the thickest?

• Inner Core
• Mantle
• Crust
• Outer Core

What is a difference between oceanic & continental crust?

• Continental is thicker
• Oceanic is thicker
• Continental is made of basalt
• Oceanic is made of granite

What is the driving force behind plate tectonics?

• convection currents
• magnetic reversal
• volcanic eruption
• subduction zones

Tags

NGSS.MS-ESS2-3

Where in the mantle are convection currents found?

• Upper
• Lower
• Middle
• Center

This structure rests on top of the asthenosphere:

• Lithosphere
• Outer Core
• Lower Mantle
• Oceanic Crust

The lithosphere is subdivided into:

• tectonic plates
• continents
• islands
• poles

Tags

NGSS.MS-ESS2-3

Volcanoes are formed at this type of boundary:

• oceanic-oceanic

• oceanic-continental
• continental-continental
• none of the above

Tags

NGSS.MS-ESS2-3

How is new crust made?

• sea-floor spreading
• continental-oceanic
• continental-continental
• rift valley

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

A difference between the inner and outer core

• Outer core is solid
• Inner core is liquid
• Outer core has magnesium
• Inner core has iron

Mountain ranges are a result of:

• oceanic-oceanic
• oceanic-continental
• continental-continental
• sea-spreading

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3