Layers of the Earth

Front

What is the core of the Earth made of?

Back

The core is primarily made of iron and nickel.

Front

Why is the inner core solid?

Back

The inner core is solid due to the immense pressure at that depth.

Front

Which layer of the Earth is shown in red?

Back

The inner core.

Front

What is the correct order of Earth's layers starting from the surface?

Back

The correct order is: crust, mantle, outer core, inner core.

Front

What does the lithosphere include?

Back

The lithosphere includes the crust and the uppermost portion of the mantle, which is solid and rigid.

Front

What is the outer core primarily made of?

Back

The outer core is primarily made of liquid iron and nickel.

Front

What is the mantle composed of?

Back

The mantle is composed of silicate rocks that are semi-solid and can flow slowly.

Front

How thick is the Earth's crust on average?

Back

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

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid due to high pressure, while the outer core is liquid.

Front

What is the lithosphere's state of matter?

Back

The lithosphere is solid and rigid.