Earth's Structure

What is the first layer of Earth?

• crust
• inner core
• outer core
• mantle

What is the second layer of Earth?

• crust
• inner core
• outer core
• mantle

What is the third layer of Earth?

• crust
• inner core
• outer core
• mantle

What is the fourth layer of Earth?

• crust
• inner core
• outer core
• mantle

What is Earth's thinnest layer?

• crust
• inner core
• outer core
• mantle

Which of Earth's layers is composed mostly of liquid metal?

• crust
• inner core
• outer core
• mantle

What is Earth's thickest layer?

• crust
• inner core
• outer core
• mantle

Which layers of Earth are mostly made of solid material?

• the cores
• crust & inner core
• crust & mantle
• mantle & outer core

What part of the mantle is shared with the crust?

• asthenosphere
• lithosphere

What two metals make up Earth's outer core?

• basalt & granite
• granite & iron
• iron & nickel
• nickel & basalt