Plate tectonics

The rigid outermost layer of Earth that includes the uppermost mantle and crust.

• asthenosphere

• core

• lithosphere

• mantle

The thickest layer of the Earth.

• Crust

• Mantle

• Lithosphere

• Asthenosphere

Which layer of the Earth do we live on?

• asthenosphere

• core

• mantle

• crust

What is the outer core composed (made) of?

• basalt

• solid metals (nickel and iron)

• liquid metals (nickel and iron)

• granite

Which layer of the Earth is the hottest?

• crust

• mantle

• outer core

• inner core

As you travel from the INNER CORE to the CRUST, how would you describe the temperature, pressure and density of the layers?

• They would all increase

• They would all decrease

• They all stay the same

• Temperature decreases but nothing happens to the denisty.

What are the two types of crust?

• continental and oceanic

• lower and upper

• ocean and upper

• pizza and subway

What is Pangea?

• the name of the german scientist

• another name for continental drift

• the name of the super-continent that existed millons of years ago

• the name of an accient fossil

What drives tectoinc plate movement?

• gravity

• convection currents

• corlolis effect

• the Earth's magneitc field

Who is the person credited with developing the theory of continental drift?

• Harry Hess

• Alfred Wegener

• Galileo

• Sir Isaac Newton