Earth's Layers

I am the thickest layer of Earth. Scientists believe I am approximately 1,800 miles thick.

• crust

• mantle

• outer core

• inner core

I am the thinnest layer of Earth. Scientists believe I am between 3 and 25 miles thick.

• crust

• mantle

• outer core

• inner core

I am the hottest layer of Earth. Scientists believe I am between 9,000 and 12,000

 $\degree$ F .

• crust

• mantle

• outer core

• inner core

I am the layer that is made of solid rock and soil.

• crust

• mantle

• outer core

• inner core

I am the layer that is made of molten, liquid rock.

• crust

• mantle

• outer core

• inner core

I am the layer that is a solid ball of metal made of iron (Fe) and nickel (Ni).

• crust

• mantle

• outer core

• inner core

I am the layer made of liquid metals such as iron (Fe) and nickel (Ni).

• crust

• mantle

• outer core

• inner core

I am the way in which molten rock flows in the mantle which causes Earth's plates to shift.

• tides

• waves

• convection currents

• orbit

Tags

NGSS.MS-ESS2-1

Which of the following increase(s) as you travel toward Earth's center?

• seismic waves and earthquakes

• aluminum and lead

• plate boundaries and the Ring of Fire

• temperature and pressure