Earth Layers and Density

Which is the correct order of Earth's compositional layers in order from least dense to most dense?

• inner core, outer core, mantle, crust

• crust, mantle, inner core, outer core

• crust, mantle, outer core, inner core

• mantle, outer core, inner core, crust

Which statement correctly compares layers of Earth's interiors?

• The outer core is less rigid than the inner core.

• The inner core is less rigid than the mesosphere.

• The asthenosphere is less rigid than the mesosphere.

• The lithosphere is less rigid than the asthenosphere.

Which is the correct order of Earth's compositional layers in order from thickest to thinnest?

• core, mantle, crust

• mantle, crust, core

• mantle, core, crust

• crust, core, mantle

The core is made mostly of ____.

• magnesium and iron

• iron and nickel

• silica and oxygen

• iron and oxygen

Tags

NGSS.MS-PS1-1

The crust and upper mantle of Earth are together known as the ____.

• atmosphere

• lithosphere

• hydrosphere

• biosphere

If the inner core is the hottest part of Earth's interior, why doesn't it melt?

• The magnetic field prevents it from melting.

• Convection currents prevent it from melting.

• Intense pressure prevents it from melting.

• It is too thick to melt.

Convection currents are believed to flow in Earth's ____.

• asthenosphere

• lithosphere

• mesosphere

• inner core

Tags

NGSS.MS-ESS2-3

What heats material in the mantle causing the convection cycle?

• Solar Radiation

• The Earths Core

• Fire

• Hard Work

Tags

NGSS.MS-ESS2-1

Which of these layers is ALL solid iron and nickle?

• inner core

• outer core

• lithosphere

• mesosphere

As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?

• The would all increase

• The would all decrease.

• They would stay the same.  

• Temperature would decrease, but pressure and density would increase. 

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-3