Earth Layers Quiz

Name of Earth Layer Key Facts

Thinnest layer of the earth 18 miles thick below land - called continental crust 6 miles thick below the oceans - called oceanic crust

Contains convection currents that move the tectonic plates

Made up of mostly magma

Made up of mostly liquid iron and nickel

The densest layer of the earth

Made up of mostly solid iron and nickel

Scientists believe that the inner core is solid because it has immense pressure on it from the layers above.

Scientists believe that the spinning of the inner core and the outer core causes earth’s magnetic field.

Continental crust and ______ crust

Name of ______ Plate

Convergent: When two tectonic plates ______ and push into each other

What Does This Plate ______ Create. When 2 continental crusts collide, they create

When 2 oceanic crusts collide, they both sink into the mantle and create

When an oceanic crust collides with continental crust, the oceanic crust subducts (or slides underneath) the continental crust and they create

Divergent ______

When two tectonic plates divide or pull away from each other

Transform plates create

Divergent plates create