Earth's Interior Layers

Which layer is semi-solid and right below the crust?

• Inner Core

• Outer Core

• Lithosphere

• Mantle

Which area of the Earth is least dense ?

• Outer core

• inner core

• mantle

• crust

What are TWO sources of heat in Earth’s core?

• The sun

• High Pressure

• Radioactive Decay

• Convection in the mantle

• Leftover heat from the Earth’s formation

Why is Earth's inner core solid?

• The metals in the core are very heavy.

• The chemicals in the core are very reactive.

• The pressure at the core is very high

• The temperature of the core is very low

Tags

NGSS.HS-ESS2-3

What is the heat source that powers the convection currents in the mantle?

• The Sun

• The Inner Core

• Petroleum

• The Magnetosphere

What is the outer most layer of the Earth?

• Mantle

• inner core

• outer core

• crust

What is the thinnest layer of the Earth?

• Mantle

• inner core

• outer core

• crust

Which layer of the Earth has the most VOLUME?

• crust

• mantle

• inner core

• outer core

Why is the core more dense than the mantle or crust?

• It has more aluminum

• it has more iron

• it has more tin

• it has more basalt

Which things increase as depth increases into the Earth?

• time

• Pressure

• temperature

• density