Earth Layers

Front

What causes mountains to form?

Back

Mountains form from the collision of tectonic plates.

Front

Where do scientists believe convection currents that move tectonic plates flow?

Back

Convection currents flow in the Asthenosphere.

Front

Which layer of the Earth is made entirely of solid iron and nickel?

Back

The inner core.

Front

What is the outermost layer of the Earth called?

Back

The crust.

Front

What drives the convection currents in the mantle?

Back

The heat from the core.

Front

What are the two types of Earth's crust?

Back

Continental crust and Oceanic crust.

Front

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

Back

The mantle.

Front

What is the state of matter in the outer core?

Back

The outer core is liquid.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, including the crust and upper mantle.

Front

What is the main component of the Earth's inner core?

Back

The inner core is primarily composed of solid iron.