Front

What is the outermost physical layer of Earth?

Back

Lithosphere

Front

Which layer has the hottest temperatures?

Back

Inner core

Front

Earth can be divided into 5 layers: the lithosphere, the asthenosphere, the mesosphere, the outer core, and the inner core. What properties are used to make these divisions?

Back

Physical properties

Front

What is the plastic layer of the mantle on which pieces of the lithosphere move?

Back

Asthenosphere

Front

What is a major difference between Earth's inner core and outer core?

Back

The inner core is solid, and the outer core is liquid.

Front

What is the layer of Earth that is solid and composed mainly of rock?

Back

Crust

Front

What is the layer beneath the lithosphere that is semi-fluid and allows tectonic plates to move?

Back

Asthenosphere

Front

What is the layer of Earth that is primarily made of iron and nickel and is in a liquid state?

Back

Outer core

Front

What is the innermost layer of Earth that is solid and extremely hot?

Back

Inner core

Front

What is the layer of Earth that is solid and extends from the crust to the outer core?

Back

Mantle