Earth's Layers

What is the thinnest layer on earth?

• mantle
• crust
  crust
• core

Even though it's hottest part of the earth, which layer is still solid?

• crust
• mantle
• outer core
• inner core

Which layer is mostly of molten rock where volcanoes erupt?

• crust
• mantle
• core

The core is made-up of what two elements?

• iron and nickel
• iron and oxygen
• nickel and silicon
• oxygen and silicon

Which layer of the Earth is the most dense?

• crust
• mantle
• inner core
• outer core

Temperature _____________________ as you go deeper into the earth.

• increases
• decreases
• goes up and down depending on the layer
• stays the same

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

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

The layer that lies beneath the mantle and surrounds the inner core. 

• mantle
• outer core
• inner core
• crust

Is a layer of week of soft mantle that is made of rock that flows slowly.  Tectonic plates move on top of this layer. 

• Inner Core
• Asthensophere
• Lithosphere
• Outer Core

Identify the letter in the diagram.  Identify letter A

• Lithosphere
• Asthenosphere
• Mantle
• Outer Core