Layers of the Earth

What are the names of the major earth layers?

• Outer Core

• Crust

• Mantle

• Inner Core

How many major earth layers are there?

• 3

• 4

• 5

• 3.5

What is the order of the earth layers from inner to outer?

• Mantle, inner core, outer core, crust

• Inner core, mantle, crust, outer core

• Inner core, crust, mantle, outer core

• Inner core, outer core, mantle, crust

There are two types of crust: _______ and _________

• Dirt and rock

• Oceanic and Continental

• dense and thin

• Solid and liquid

Scientists rely on _____________ generated by earthquakes and explosions that travel through Earth and across its surface in order to identify the different layer structure.

• Seismic waves

• Shock waves

• Weather patterns

• Drilling into the Earth

In what layer of the Earth do people live?

• Outer Core

• Mantle

• Inner Core

• Crust

The innermost part of the Earth is the core and is about ______ miles (2414km) thick.

• 500

• 1500

• 900

• 11,000

Which two layers of the Earth are the hottest ranging from 7200-9000 degrees Fahrenheit?

• Inner Core and Mantle

• Outer Core and Crust

• Inner Core and Outer Core

• Mantle and Crust

Which two layers are made up primarily of iron and nickel?

• Inner Core and Outer Core

• Mantle and Crust

• Inner Core and Mantle

• Mantle and Outer Core

What layer of the Earth is liquid?

• Inner Core

• Outer Core

• Mantle

• Crust