Layers of Earth

This layer contains the upper mantle and the crust.

• Mesosphere
• Asthenosphere
• Lithosphere
• Core

This layer contains most of Earth's mass.

• Inner Core
• Mantle
• Outer Core
• Crust

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

Which layer(s) of the Earth make up the asthenosphere?

• Part of the upper mantle
• Crust, mantle, Core
• Crust and upper mantle
• Only the crust

How are scientist able to estimate the thickness of each layer of the Earth?By studying __________

•  radio waves
• sonar waves
• laser waves
• seismic waves

What mostly solid layer makes up the lower part of the mantle?

• Lithosphere
• Mesosphere
• Asthenosphere
• Inner Core

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