Earths Structure

What layer of the Earth is liquid?

• lithosphere
• asthenosphere
• inner core
• outer core

The solid inner core is made of...

• iron and nickel
• iron and magnesium
• rock and minerals
• oxygen and carbon

What layer of the Earth consists of the crust and the top of the mantle.

• inner core
• lithosphere
• asthenosphere
• outer core

What layer of the Earth is also the tectonic plates?

• mantle
• core
• lithosphere
• asthenosphere

What layer of the Earth do convection currents occur in?

• crust
• mantle
• outer core
• inner core

What is the layer directly below the lithosphere called?

• crust
• mantle
• core
• asthenosphere

Which of these is NOT a characteristic of the mantle?

• It is "solid"
• It is the thickest layer
• It is the most dense layer
• It moves in convection currents

What happens to pressure as we move from the crust to the inner core?

• Pressure Decreases
• Pressure Increases
• Nothing

What happens to temperature as we move from the crust to the inner core?

• Decreases
• Increases

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core