Front

What is the outermost layer of the Earth?

Back

Crust

Front

What is the theory that explains how continents drift apart?

Back

Continental Drift

Front

What is the liquid layer of the Earth located between the mantle and inner core?

Back

Outer Core

Front

What is the solid, innermost layer of the Earth?

Back

Inner Core

Front

What type of crust makes up the landmasses and is less dense?

Back

Continental Crust

Front

What is the layer of the Earth located between the crust and outer core?

Back

Mantle

Front

What is the layer of the Earth that is primarily composed of iron and nickel?

Back

Inner Core

Front

What is the layer of the Earth that is responsible for tectonic plate movement?

Back

Mantle

Front

What is the term for the boundary between two tectonic plates?

Back

Plate Boundary

Front

What is the process by which new oceanic crust is formed at mid-ocean ridges?

Back

Seafloor Spreading