The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

What is the thickest layer of the Earth?

• the crust
• the mantle
• the outer core
• the inner core

What is the core made of?

• steel
• iron 
• aluminum
• iron and nickel

Tags

NGSS.MS-PS1-1

What describes the outer core?

• solid
• liquid
• viscous
• gas

Tags

NGSS.MS-PS1-4

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

Tags

NGSS.MS-ESS2-3

What happens to pressure as we move from the crust to the inner core?

• Pressure Decreases
• Pressure Increases
• Nothing

Tags

NGSS.HS-ESS2-3

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

Which layer of Earth is made up of tectonic plates?

• outer core
• inner core
• asthenosphere
• lithosphere

Tags

NGSS.MS-ESS2-3

The lithosphere combines what two layers?

• Athenosphere & Crust
• Crust & Upper Mantel
• Mantel & Athenosphere

The asthenosphere makes up the?

• Upper portion of the mantel
• The lower portion of the crust
• Just the Athenosphere