Earth's Layers

You live, breathe, and eat on this layer.

• Outer Core
• Inner Core
• Mantle
• Crust

The core is mostly made up mostly of which elements?

• Oxygen and Silicon
• Silicon and Magnesium
• Nickel and Iron
• Iron and Magnesium

Which layer of the Earth is the only liquid layer?

• Outer Core
• Inner Core
• Mantle
• Lithosphere

What are the two type of crust?

• Continental and Landforms
• Oceanic and Mountains
• Mountains and Landforms
• Oceanic and Continental

Pressure becomes _________________ as you go deep inside the earth?

• lesser

• greater

• stays the same

• unstable

Why is the inner core made of solid metal?

• Because it is so hot it turns from liquid to solid
• Because of the weight of the crust
• Because of it's temperature
• Because of the pressure of the other layers beating down on it

Which layer is considered the thinnest layer which is also rocky and the least dense of all the layers?

• Mesosphere

• Core

• Mantle

• Crust

In which of Earth's layers are the convection currents?

• Crust

• Inner Core

• Mantle

• Outer Core

Which of Earth's layers is completely solid?

• Outer Core

• Mesosphere

• Inner core

• Asthenosphere

Which layer is made of solid iron & nickel?

• inner core
• outer core
• mantle
• crust