Layers of the Earth Vocabulary

What layer is a semisolid and acts like a plastic?

• Lithosphere
• Mantle
• Asthenosphere

Heat transfer within a fluid takes place by...

• convection currents
• radiation
• conduction
• density

A deep well or mine shaft goes through which layer or layers of Earth?

• crust only
• mantle only
• crust and mantle
• mantle and core

Which layer of the Earth is the only liquid layer?

• Outer Core
• Inner Core
• Mantle
• Lithosphere

Scientists think that convection currents that move the plates flow in Earth's

• Continental crust
• Oceanic crust
• Asthenosphere
• Lithosphere

Pressure ______________________ as you go deeper into the Earth

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

Which layer is made up of SOLID iron and nickel?

• Crust
• Mantle
• Inner Core
• Lithosphere

These four layers make-up the earth’s composition. What is the correct order starting from the surface?

• Crust, Lithosphere, Mesosphere and Core
• Lithosphere, Asthenosphere, Mantle and Core
• Crust, Mantle, Outer Core and Inner Core
• Mantle, Outer Core, Lithosphere and Crust

The physical layer of Earth made of solid rock and soil is called the ___________. 

• mesosphere
• lithosphere
• asthenosphere
• mantle

What layer is the hottest?

• Core
• Crust
• Mantle