Layers of earth

Which layer is made of the most solid rock?

• inner core
• outer core
• mantle
• crust

Which layer is made of solid iron & nickel?

• inner core
• outer core
• mantle
• crust

What is the outer core made of?

• solid rock
• solid metal
• melted rock
• melted metal

Which layer has the coolest temperatures?

• outer core
• inner core
• mantle
• crust

Which layer has the hottest temperatures?

• inner core
• outer core
• mantle
• crust

Which compositional layer is the least dense?

• inner core

• lithosphere

• mantle

• crust

What kind of crust do we live on?

• oceanic crust
• continental crust

Out of all the layers, which one would be the easiest for us to drill through?

• inner core
• outer core
• mantle
• crust

Which statement is correct?

• As you move up through the layers, the pressure increases.
• As you move down through the layers pressure increases.
• As you move down through the layers, pressure decreases.
• As you move up down through the layers, pressure remains the same.

What happens to temperature as you move down through the layers?

• it remains the same
• it increases then decreases
• it increases
• it decreases