Earth's Layers

What layer has a solid inner part and a liquid outer part?

• Crust
• Mantle
• Core
• none

What layer is the thinnest?

• Crust 
• Mantle
• Core
• They are all the same size

Which layer is the thickest?

• Crust
• Mantle
• Core
• All of them are the same size

What are the three main layers of the Earth?

• Center, Middle, Outer
• Center, Mantle, Crush
• Core, Mantle, Crust
• Core, Middle, Crush

What are the two kinds of crust that the Earth has?

• Oceanic and Crustatious Crust
• Oceanic and Continental Crust
• Optic and Continental Crust

As scientists explore deeper and deeper into Earth's crust, what have they noticed about temperature and pressure?

• both temperature and pressure decrease
• both temperature and pressure increase
• pressure increases while temperature decreases
• temperature increases while pressure decreases

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere
• crust
• lithosphere
• inner core

True or False
The Earth's thin shell of hard rock is called the crust.

• True
• False

True or FalseThe most abundant elements in the Earth's crust are silicon and oxygen.

• True
• False

Which layer is made up of iron and nickel?

• Crust
• Mantle
• Inner Core
• Lithosphere