Layers of the Earth Flashcard I

Front

In which layer of the Earth do convection currents occur?

Back

Mantle

Front

What happens to temperature as we move from the crust to the inner core?

Back

Increases

Front

The soft part of the mantle below the lithosphere is called the:

Back

Asthenosphere

Front

How many different types of crust are there?

Back

2

Front

Less dense materials rise to the top. True or False?

Back

True

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer of the Earth that is solid and made up of iron and nickel?

Back

Inner Core

Front

What is the layer of the Earth that is liquid and surrounds the inner core?

Back

Outer Core

Front

What is the term for the rigid outer layer of the Earth?

Back

Lithosphere

Front

What is the main component of the Earth's crust?

Back

Silicate rocks