Layers of the Earth

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

Tectonic plates are made up of continental crust and ________ crust.

• continental
• oceanic
• plates
• mantle

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

Why is the inner core solid?

• its unknown
• what it's made of
• the pressure
• it is colder than the outer core

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

The oceanic floor is made of?

• Granite
• Basalt
• Cookies
• Water

Tags

NGSS.MS-ESS2-3

The continental floor is made up of?

• Flowers and grass
• Basalt
• Granite
• Crust

Tags

NGSS.MS-ESS2-2