Rocks Earth's Layers

The outermost solid layer of the Earth is called the

• mantle
• outer core
• inner core
• crust

Which layer is made of the most solid rock?

• inner core
• outer core
• mantle
• crust

Which layer of Earth is the least dense?

• crust

• inner core

• outer core

• mantel

Where does magma form?

• asthenosphere

• crust

• lithosphere

• mantle

This layer is the innermost layer of the Earth.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer is a solid ball of metal.

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer of Earth is solid and why?

• The inner core is solid because of movement of the outer core.
• The inner core is solid because of the freezing temperatures.
• The inner core is solid because of the extreme pressure from the other layers.
• The outer core is solid because of the extreme pressure from the other layers.

Which of Earth's layers is made of SOLID iron and nickel?

• crust 
• mantle
• outer core
• inner core

What is the correct order of Earth's layers? Starting from surface

• Crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle
• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust

An object should float in a liquid if it is 

• Denser than the liquid 
• Less dense than the liquid
• Lighter than metal
•  Shaped like a ball