Layers of the Earth

Front

What are the main layers of the Earth?

Back

The main layers of the Earth are the crust, mantle, outer core, and inner core.

Front

What is the composition of the Earth's crust?

Back

The Earth's crust is primarily made up of rocks and minerals.

Front

What is the state of the upper part of the mantle?

Back

The upper part of the mantle is solid.

Front

Which layer of the Earth has the greatest density?

Back

The inner core has the greatest density.

Front

What happens to temperature as we move deeper into the Earth?

Back

Temperature increases as we move from the crust to the inner core.

Front

What materials make up the Earth's core?

Back

The core is made of iron and nickel.

Front

What is the state of the outer core?

Back

The outer core is liquid.

Front

What is the relationship between density and buoyancy in the Earth's layers?

Back

Less dense materials rise to the top, while denser materials sink.

Front

What is the thickness of the Earth's crust?

Back

The Earth's crust is about 5 to 70 kilometers thick.

Front

How does the mantle differ from the crust?

Back

The mantle is much thicker than the crust and is composed of semi-molten rock.