Structure of the Earth

Which two metals are thought to be found in the core?

• iron and steel
• iron and nickel
• gold and silver
• iron and copper

Tags

NGSS.MS-ESS3-1

Which layer of the Earth is the most dense?

• Crust
• Inner core
• Mantle
• Outer core

The inner core is:

• Solid

• Liquid

• Gaseous

The thickest layer of the Earth is

• The crust

• The mantle

• The core

What is the thinnest layer of the Earth?

• Mantle

• Core

• Crust

Label this very boring diagram of Earth's layers.

b

c

d

f

g

e

a

Inner Core

Crust

lithosphere

asthenosphere

lower mantle

MANTLE

Outer Core

The inner core is the

• coldest layer of the earth

• hardest layer of the earth

• melted layer of the earth

• hottest layer of the earth

The outer core is composed of liquid iron and nickel

• True

• False

What is the layer of the upper mantle composed of low-density rock material that is semi-plastic called?

• Asthenosphere

• Core

• Moho

• Crust

Which part of the earth is the solid center?

• Inner core

• Outer core

• Mantle

• Crust