Earths Structures 4C

Front

What is the thinnest layer of the Earth?

Back

The crust.

Front

Why is the inner core of the Earth solid?

Back

The inner core is solid because of the extreme pressure from the other layers.

Front

What two layers make up the lithosphere?

Back

The lithosphere is made up of the upper mantle and the crust.

Front

Which layer of the Earth is liquid?

Back

The outer core.

Front

What is the innermost layer of the Earth?

Back

The core.

Front

What is the outer core primarily composed of?

Back

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

Front

What is the main characteristic of the mantle?

Back

The mantle is solid but can flow slowly over time.

Front

What is the difference between the lithosphere and the asthenosphere?

Back

The lithosphere is rigid and includes the crust and upper mantle, while the asthenosphere is semi-fluid and allows for tectonic plate movement.

Front

What causes the movement of tectonic plates?

Back

The movement of tectonic plates is caused by convection currents in the mantle.

Tags

NGSS.MS-ESS2-3

Front

What is the temperature range of the inner core?

Back

The temperature of the inner core can reach up to 5,700 degrees Celsius.

Tags

NGSS.HS-ESS2-3