Front

What are the three main compositional layers of the Earth?

Back

Crust, Mantle, Core

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

Which layer of the Earth is primarily composed of silicate rocks?

Back

Mantle

Front

What is the Earth's core primarily made of?

Back

Iron and Nickel

Front

Is the Earth's core solid, liquid, or both?

Back

Both; the inner core is solid, while the outer core is liquid.

Front

What is the temperature range of the Earth's crust?

Back

Approximately 0 to 1,000 degrees Celsius.

Front

Which layer of the Earth is the hottest?

Back

Core

Tags

NGSS.MS-PS1-4

Front

What is the difference between oceanic crust and continental crust?

Back

Oceanic crust is thinner and denser than continental crust.

Front

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

Back

About 5 to 70 kilometers.

Front

What is the primary characteristic of the mantle?

Back

It is semi-solid and can flow slowly.