Front

What type of plate boundary has plates that are sliding past each other?

Back

Transform plate boundary.

Front

Who is the German scientist who proposed the idea of continental drift?

Back

Alfred Wegner.

Front

Which layer of the Earth is the thinnest?

Back

Crust.

Front

What is coal classified as in terms of renewability?

Back

Nonrenewable because it cannot be replaced as fast as people use it.

Front

What is the source of energy that causes the blades of a turbine to move?

Back

Wind.

Front

What is the Earth's outermost layer called?

Back

Crust.

Front

What is the process by which tectonic plates move apart?

Back

Divergent boundary.

Front

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

Back

Mantle.

Front

What type of boundary occurs when two plates collide?

Back

Convergent boundary.

Front

What is the main component of coal?

Back

Carbon.