Module 4 Q1

Which layer is the outer core?

• 1

• 2

• 3

• 4

Which layer is the crust?

• 1

• 2

• 3

• 4

Which layer is the inner core?

• 1

• 2

• 3

• 4

Which layer is the mantle?

• 1

• 2

• 3

• 4

Which is MORE dense?

• 
• 

Earth is composed of three layers: the core, the mantle and the crust.  How are these three layers identified?

• By Their plate tectonics

• By their structural features

• By their physical properties

• By there chemical composition

What layer of the Earth has convection currents?

• Crust

• Lithosphere

• Core

• Mantle

the outermost, rigid, PHYSICAL layer of the earth

• Crust

• Core

• Asthenosphere

• Lithosphere

The ​ ​ (a)   is the densest compositional layer and makes up one-third of Earth’s mass.

• core
• Crust
• Mesosphere
• Lithosphere
• Mantle

​ (a)   are formed from interior processes of extreme heat and pressure.

• Metamorphic rocks
• sedimentary rocks
• Igneous rocks