8.1 and 8.2

Which layer of Earth is the source of lava that erupts from volcanoes?

• inner core
• outer core
• asthenosphere
• lithosphere

Which layer of Earth is located above the outer core?

• crust
• inner core
• mantle
• lithosphere

Which of these two layers is a solid?

• innercore
• Outercore

What is the top layer of the Earth's surface called? 

• Mantle
• Innercore
• Outercore
• Crust

A dense ball of solid iron and nickel.

• crust
• inner core
• mantle 
• outer core

Which best describes the mantle?

• molten metal
• dense, solid metal ball
• hot but not solid rock
• dry land and ocean floor

In which layer of the Earth is the athenosphere located?

• inner core
• mantle
• outer core
• crust

Which lists the main layers of Earth in order from outermost to innermost?

• lithosphere, asthenosphere, mesosphere
• core, mantle, crust
• crust, mantle, core
• mantle, core, crust

The middle portion of the mantle...
Plates float on top of it

• Asthenosphere
• Lithosphere
• Erosion
• Ocean

Which of the following is where one plate slides under another plate?

• submarine zone
• divergence zone
• subduction zone
• lower zone