Earth's Crust & Plate Tectonics

What is the coolest layer of the Earth?

• inner core

• Mr. J

• crust

• mantle

The circular arrows in this diagram represent what type of motion. This apparently drives ALL plate movement?

• Convergent Boundary

• Ocean Currents

• Convection Currents

• Transform Boundary

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

What is Pangaea?

• The name of a German Scientist
• the name of the supercontinent that existed millions of years ago
• another name for continental drift
• the name of an ancient fossil

Tags

NGSS.MS-ESS2-3

Who is the person credited with developing the theory of continental drift?

• Harry Hess

• Mr T Johnson

• Alfred Wegener

• Sir Isaac Newton

The thinnest layer of the Earth is the ___________.

• mantle

• crust

• core

• eggshell

What is the inner core mostly made of?

• steel

• iron

• aluminum

• iron and nickel

What state of matter is the outer core of the Earth?

• solid

• liquid

• viscous

• gas

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

What is the name of the supercontinent that formed from about 200-100 million years ago?

• Pangaea

• Laurasia

• Eurasia

• Atlantis