Earth Structure

What do we call the center of the Earth?

• Mantle
• Crust
• Apple
• Core

Roughly how long ago did Pangaea break apart?

• 2 million years
• 20 million years
• 200 million years
• 2000 million years

Which is the hottest part of the Earth?

• The core
• The mantle
• The crust
• The Asthenosphere

What is the core made of?

• Molten rock
• Solid rock
• Molten metal
• Solid metal

What layer is between the inner core and the mantle?

• asthenosphere
• crust
• outer core
• lithosphere

Which is the coolest part of the planet?

• inner core
• outer core
• mantle
• crust

How far is it to the center of the Earth in miles?

• 4000
• 400
• 40,000
• 27408

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

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

How hot is it in the Earth's center?

• 600 Celcius
• 6000 Celcius
• 6 million Celcius
• 451 Fahrenheit 

Which of these layers is the largest?

• lithosphere
• asthenosphere
• outer core
• mantle