Earth's Layers

How does the temperature of the Earth’s mantle compare to the other layers of the Earth?

• The mantle is hotter than the core.
  
• The mantle is hotter than the crust.
  
• The mantle is the same temperature as the core.
  
• The mantle is the same temperature as the crust.
  

 How does the density of the Earth’s core compare to the other layers of the Earth?

• The core is the densest layer.
  
• The core is the least dense layer.
  
• The core is only less dense than the crust.
  
• The core is only less dense than the mantle.
  

Which BEST describes the physical properties of the Earth’s core?

• semi-molten
  
• water and organic substances
  
• a solid lower part and a liquid upper part
  
• contains volcanic, sedimentary and granitic rocks
  

Based on the information in the table, what can you conclude about the density of the Earth’s layers?

• The density of the layers decreases as the pressure increases.
  
• The density of the layers increases as the temperature decreases.
  
• The density increases in layers that are closer to the core of the Earth.
  
• The density increases in layers that are closer to the surface of the Earth.
  

List the compostional layers in order from least dense to most dense.

• mantle, core, crust
• lithosphere, asthenosphere, mesosphere, inner core, outer core
• crust, mantle, core
• core, mantle, crust

The is the layer that is made of oxygen, silicon, and aluminum.

• core
• mantle
• mesosphere
• crust

In this physical layer of the Earth you will find tectonic plates.

• lithosphere
• asthenosphere
• mesosphere
• inner core

Tags

NGSS.MS-ESS2-3

Which of these two layers is a solid?

• innercore
• Outercore

A dense ball of solid iron and nickel.

• crust
• inner core
• mantle 
• outer core

Tags

NGSS.MS-PS1-1

Which best describes the asthenosphere?

• molten metal
• dense, solid metal ball
• solid that flows
• dry land and ocean floor