Energy & Structure in the Earth

What layer is between the inner core and the mantle?

• asthenosphere
• crust
• outer core
• lithosphere

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

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

Which of these layers is the largest?

• lithosphere
• asthenosphere
• outer core
• mantle

Which layer of the Earth is the least dense?

• Crust
• Inner core
• Mantle
• Outer core

Name the layer labelled 1

Name the layer labelled 4

The lithosphere combines what two layers?

• Asthenosphere and Crust

• Lower Mantle and Outer Core

• Crust and Upper Mantle

• Lower Mantle and Upper Mantle

What do we call the boundary between the mantle and the crust?

• Gutenberg Discontinuity

• Mohorovicic Discontinuity

Which layer of Earth generates Earth's magnetic field

• Crust

• Mantle

• Inner core

• Outer core

The illustration shows a current of magma in the mantle of Earth.  The flow of magma directly applies force to which of these crustal features?

• mountain ranges
• tectonic plates
• oceans
• glaciers