Earth's Layers and Plate Boundaries

What are the three main layers of the Earth?

• Crust

  Mantle

  Core

• Mantle

  Asthenosphere

  Lithosphere

• Crust

  Mantle

  Lithosphere

• Crust

  Inner Core

  Outer Core

What are the two kinds of Crust?

• Upper Crust

  Lower Crust

• Oceanic Crust

  Continental Crust

• Sedimentary Deposits and

  Plastic Asthenosphere

• Basalt

  Minerals

The Core is divided into how many layers?

(a)  

Is the Earth's Inner Core Solid or liquid?

• Solid

• Liquid

Is the Earth's Outer Core Solid or Liquid?

• Solid

• Liquid

What is the thickest layer of the Earth?

• Core

• Mantle

• Crust

• Asthenosphere

What is the Crust composed of?

• Solid Metal

• Liquid Metal

• Hard Solid Rock

• Molten (Liquid) Rock

The thinnest layer of the earth is called the:

• Mantle

• Core

• Lithosphere

• Crust

Is the Earth's Inner Core bigger than the Outer Core?

• Yes

• No

• None of the above

• All of the above

What are the three main plate boundaries?