All About Earth!

As you move from the crust to the core, it gets ________.

• Cooler

• Hotter

Who discovered the inner core?

• Jabr ibn Hayyan

• Aristotle

• Isaac Newton

• Inge Lehmann

What does the mantle contain?

• Lava

• Water

• Magma

• Ice

How many layers does Earth have?

• 1

• 2

• 4

• 10

Which layer is the thinnest?

• Crust

• Mantle

• Outer core

• Inner core

Which layer is the thickest?

• Crust

• Mantle

• Outer core

• Inner core

Who first suggested that the Earth is a sphere?

• Inge Lehmann

• Bill Gates

• Aristotle

• Edmond Halley

Which layer of Earth is the hottest?

Where are some of the deepest mines in the world found?

• North Africa

• Kenya

• Nigeria

• South Africa

What are the cores of Earth made up of?

• Iron and Copper

• Magma

• Iron and Nickel

• Nickel and copper