Review- Layers of Earth

Which of the layers are in the correct order from innermost to outermost?

• outer core, inner core, crust, mantle

• crust, outer core, inner core, mantle

• crust, mantle, outer core, inner core

• inner core, outer core, mantle, crust

Match the following words to its composition.

• thinnest

• crust

• thickest, iron and magnesium

• inner core

• liquid, iron and nickel

• outer core

• solid, iron and nickel

• mantle

Tags

NGSS.MS-ESS2-1

The outer core is ​ ​ (a)   , ​ (b)   , and ​ (c)  

• liquid
• iron
• nickel
• silicon
• oxygen

Tags

NGSS.MS-PS1-1

Reorder from innermost to outermost layer

• inner core

• outer core

• mantle

• crust

Which layer is liquid?

• crust

• mantle

• outer core

• inner core

Tags

NGSS.MS-ESS2-3

The ​ (a)   is made of iron and magnesium.

• mantle
• crust
• outer core
• inner core

Which layer of Earth do scientists believe is most likely made of solid, iron and nickel?

• crust

• mantle

• outer core

• inner core

Which layer of Earth is the thinnest?

• crust

• mantle

• outer core

• inner core

Which letter in the diagram identifies the layer scientists believe to be in a liquid state?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

Where in the diagram might you expect to find living things?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3