Layers of the Earth

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

There are how many different types of crust?

• 1
• 2
• 5
• 3

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

Which layer(s) of the Earth make up the asthenosphere?

• Part of the mantle
• Crust, mantle, Core
• Crust and upper mantle
• Only the crust

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

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

• Decreases
• Increases
• Nothing

Tags

NGSS.MS-PS3-4

Less dense materials rise to the top.

• True
• False

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core