Earth's Mantle and Crust Movement Flashcard

Front

What do the arrows in the diagram of Earth's mantle represent?

Back

Convection currents, which are forces that move Earth's crust plates.

Front

What is the process called that transfers energy from the sun to warm your face?

Back

Radiation.

Front

How does the density of continental crust compare to oceanic crust?

Back

The continental crust is less dense than the oceanic crust.

Front

What is the outermost layer of the Earth made up of two parts?

Back

Lithosphere.

Front

What geologic feature is formed by the collision of two pieces of continental crust?

Back

Mountain.

Front

What is the primary force that drives the movement of tectonic plates?

Back

Convection currents in the mantle.

Front

What is the difference between the continental crust and oceanic crust in terms of composition?

Back

Continental crust is primarily composed of granite, while oceanic crust is mostly basalt.

Front

What is the term for the boundary where two tectonic plates meet?

Back

Plate boundary.

Front

What type of boundary occurs when two plates slide past each other?

Back

Transform boundary.

Front

What is the layer of the Earth located directly beneath the crust?

Back

Mantle.