Layers of the Earth Checkpoint

Front

Who built most of the evidence for continental drift?

Back

Alfred Wegener

Front

What is the hottest layer of the Earth?

Back

Inner Core

Front

Which layer of the Earth is shown in BROWN?

Back

Crust

Front

What is a key piece of evidence for continental drift?

Back

All of the above (Continent shapes, Fossil record, Rock layers)

Front

What are convection currents?

Back

The cycle of heated rock or metal rising, and cooling rock or metal falling.

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What layer lies beneath the crust?

Back

Mantle

Front

What is the primary composition of the inner core?

Back

Solid iron and nickel.

Front

What is the primary composition of the outer core?

Back

Liquid iron and nickel.

Front

What geological process is driven by convection currents in the mantle?

Back

Plate tectonics.