Earth History Part 1 Review

The liquid portion at the center of the Earth.

• Asthenosphere
• Inner Core
• Outer Core
• Lithosphere

The top layer of the Earth.

• Mantle
• Crust
• Core
• Asthenosphere

The core is different from the other layers of the Earth because it is made of ______________.

• Metal
• Solid Rock
• Magma
• Melted Rock

The crust that is underneath the ocean is ____________ crust.

• Continental
• Water 
• Land
• Oceanic

The lithosphere is made up of which two layers?

• Upper and Lower Mantle
• Upper Mantle and Crust
• Core and Mantle
• Crust and Uppermost Mantle

Which layer is the thinnest, least dense and most brittle?

• Mantle
• Inner Core
• Crust
• Outer Core

The liquid portion of the mantle is the ______________. 

• Asthenosphere
• Lithosphere
• Upper Mantle
• Lower Mantle

There are how many different types of crust?

• 1
• 2
• 5
• 3

What is the thickest layer of the Earth?

• the crust
• the mantle
• the outer core
• the inner core

What is the core made of?

• steel
• iron 
• aluminum
• iron and nickel