Earth's Layers

Where would you find the ozone layer?

• stratosphere

• thermosphere

• exosphere

• mesosphere

The function of the ozone layer is to _________________________. 

• allow UV rays to get to Earth

• block UV rays from getting to Earth

• keep oxygen in

• allow meteors to get to Earth

Which layer of the Earth is the THICKEST?

• crust

• mantle

• outer core

• inner core

As you travel from the crust to the core, how would temperature, pressure and density of the material change?

• They would all increase

• They would all decrease.

• Nothing, the layers are made of the same material throughout

• Temperature would decrease, but pressure and density would increase

Which layer is made (mostly) of LIQUID iron and nickel?

• crust

• mantle

• outer core

• inner core

Which layer is made (mostly) of SOLID iron and nickel?

• crust

• mantle

• outer core

• inner core

Which layer of the Earth is the THINNEST?

• crust

• mantle

• outer core

• inner core

What is the outermost layer of the Earth called?

• Crust

• Mantle

• Core

• Lithosphere

Which layer of the Earth is composed mostly of liquid iron and nickel?

• Inner Core

• Outer Core

• Mantle

• Crust

Which layer of the Earth is responsible for the movement of tectonic plates?

• Crust

• Mantle

• Outer Core

• Inner Core