Earth's Layers & Plate Tectonics

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

Which of the following is not a piece of Wegener's evidence?

• fossils
• glaciers
• rocks
• rivers

How is new crust made?

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

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

A difference between the inner and outer core

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

What is the hottest layer of the Earth?

• inner core

• lithosphere

• crust

• mantle

What is formed where 2 CONTINENTAL PLATES COLLIDE?

• ocean basin

• earthquakes

• mountains

• volcano

Tags

NGSS.MS-ESS2-2

Which is less dense?

• Oceanic Crust

• Continental crust

When a continental plate collides with a oceanic plate which plate is subducted (goes under)?

• continental

• oceanic

Tags

NGSS.MS-ESS2-3