Earth Structures

What is the inner core composed of?

• Melted Rock
• Silicon and Oxygen
• Solid Iron and Nickel
• Liquid Iron and Nickel

What do geologists call the crust and upper mantle?

• asthenosphere
• stratosphere
• mesosphere
• lithosphere

What geological event/landform would occur at this boundary?

• Folded Mountains
• Rifts
• Faults
• Trench

What geological event/landform would occur at this boundary?

• Folded Mountains
• Rifts
• Faults
• Ridges

What geological event/landform would occur at this boundary?

• Folded Mountains
• Ridges
• Rifts
• Faults

Identify each layer - #17.

• Crust
• Mantle
• Lithosphere
• Asthenosphere

What observation can we make about Earth’s lithosphere AND asthenosphere?

• The asthenosphere floats on top of the lithosphere.
• The crust and the core make up the lithosphere.
• The crust and mantle make up the asthenosphere. 
• The lithosphere floats on top of the asthenosphere

Identify each layer - #19.

• mantle
• lithosphere
• inner core
• outer core

Identify each layer - #20.

• mantle
• asthenosphere
• inner core
• outer core

The crust of the Earth is made of:

• Many hard rocks broken into very large pieces called plates
• A hard layer that contains hot magma and molten rock
• A soft ball that contains Nickel and Iron