Layers of the Earth

Which layer of the Earth is like the thick layer of hot, gooey cheese inside a pizza?

• The Mantle
• The Crust
• The Outer Core
• The Inner Core

Which layer of the Earth is the hottest?

• The Mantle
• The Inner Core
• The Outer Core
• The Crust

Which layer of the Earth is the coolest?

• The Inner Core
• The Outer Core
• The Mantle
• The Crust

What is the temperature of the outer core?

• 1,800 miles
• 4,000 degrees Celsius
• 2,900 kilometers
• 5,000 degrees Celsius

What is the order of the layers of the Earth, from outermost to innermost?

• Crust, Mantle, Outer Core, Inner Core
• Mantle, Crust, Outer Core, Inner Core
• Outer Core, Inner Core, Mantle, Crust
• Crust, Outer Core, Inner Core, Mantle

What is the thickness of the mantle?

• 4,000 degrees Celsius
• 2,900 kilometers
• 1,800 miles
• 5,000 degrees Celsius

What is the main component of the outer core?

• Basalt
• Iron and Nickel
• Granite
• Sandstone

Which layer of the Earth is like the thin, hard shell of an egg?

• The Inner Core
• The Crust
• The Mantle
• The Outer Core

What is the outermost layer of the Earth called?

• The Mantle
• The Inner Core
• The Outer Core
• The Crust

Have humans have dug deeper than the crust?

• Yes
• No
• They have reached the mantle
• They have reached the inner core