Structure of the Earth

Front

What is the outermost layer of the Earth that contains the continents and oceans?

Back

Crust

Front

What is the layer of rock between the Earth's core and crust?

Back

Mantle

Front

What is the liquid metal layer that surrounds the Earth's inner core?

Back

Outer core

Front

What is the solid metal layer at the center of the Earth?

Back

Inner core

Front

Which portion of the crust is thicker, continental or oceanic?

Back

Continental

Front

What is the primary composition of the Earth's crust?

Back

Silicate rocks

Front

What is the temperature range of the Earth's inner core?

Back

Approximately 4,000 to 5,000 degrees Celsius

Front

What is the main difference between oceanic and continental crust?

Back

Oceanic crust is thinner and denser than continental crust.

Front

What is the process by which the Earth's crust is formed?

Back

Plate tectonics and volcanic activity.

Front

What is the significance of the mantle in Earth's structure?

Back

It is the thickest layer and is involved in tectonic movements.