Geology and Tectonic Plates Vocabulary

The outermost layer of the Earth that is thin and solid is called the:

• Mantle

• Core

• Crust

• Inner Core

What lies beneath the crust and is thick and semi-solid with convection currents?

• The Mantle

• The Core

• The Crust

• The Lithosphere

The liquid layer made mostly of iron and nickel is called:

• Inner Core

• Outer Core

• Mantle

• Crust

The solid layer of iron and nickel that is extremely hot and under high pressure is known as:

• Inner Core

• Outer Core

• Mantle

• Crust

The layer of rock that makes up the continents and the continental shelves is known as:

• Oceanic crust

• Continental crust

• Mantle

• Core

What is a relatively thin, dense layer of Earth's crust made of dark-colored rocks?

• Continental crust

• Oceanic crust

• Mantle

• Core

What are large, irregularly shaped slabs of the Earth's crust and upper mantle called?

• Tectonic plates

• Continental shelves

• Oceanic ridges

• Mantle plumes

What is a place where two tectonic plates move apart, creating new oceanic crust and sometimes underwater mountain ranges?

• Convergent boundary

• Transform boundary

• Divergent boundary

• Subduction zone

Where do two tectonic plates move towards each other and collide?

• At a convergent boundary

• At a divergent boundary

• At a transform boundary

• At a subduction zone

The thinner, denser oceanic plate sinks beneath the thinker continental plate is what ?

• Convergence
• Divergence
• Subduction
• Transform fault