Earth's Core Content Knowledge Assessment 12/13

Front

What is the temperature comparison between the inner core and the outer core?

Back

The inner core is hotter than the outer core.

Front

Which layer of Earth is responsible for tectonic plate movement?

Back

Mantle.

Front

What causes the solid state of the Earth's inner core?

Back

High pressure.

Front

What is the thickest layer of the Earth?

Back

Mantle.

Front

What is the approximate thickness of the Earth's crust?

Back

5-70 km.

Front

What are the main layers of the Earth?

Back

Crust, Mantle, Outer Core, Inner Core.

Front

What is the state of the outer core?

Back

Liquid.

Front

What is the primary composition of the Earth's inner core?

Back

Iron and nickel.

Front

How does pressure affect the state of materials in the Earth's interior?

Back

Increased pressure can keep materials solid despite high temperatures.

Front

What is the role of the mantle in Earth's geology?

Back

It facilitates tectonic plate movement.