Layers of the Earth

Front

What is the layer of the Earth that makes up about 85% of its total weight?

Back

Mantle

Front

What are the crust and upper mantle collectively called?

Back

Lithosphere

Front

What causes the movement of the lower mantle?

Back

Convection currents

Front

What is the reason the inner core is solid despite being as hot as the sun?

Back

Enormous amounts of pressure

Front

What is the temperature of the lower mantle?

Back

3000 degrees Celsius

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer beneath the crust?

Back

Mantle

Front

What is the term for the semi-fluid layer of the mantle that allows the tectonic plates to move?

Back

Asthenosphere

Front

What is the core of the Earth primarily made of?

Back

Iron and nickel

Front

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

Back

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