Earth's Structures

Which layer is the largest layer of the Earth?

• crust

• mantle

• outer core

• inner core

Which form of heat transfer is in the asthenosphere and causes the tectonic plates to move around?

• conduction

• convection

• radiation

• condensation

Tags

NGSS.MS-ESS2-1

Which layer of Earth is broken up into tectonic plates?

• lithosphere

• asthenosphere

• mesosphere

• core

Tags

NGSS.MS-ESS2-3

Which layer(s) of Earth are made of less-dense materials such as silicates? Check all that apply.

• crust

• mantle

• outer core

• inner core

Temperature _____________________ as you go deeper into the earth.

• increases
• decreases
• goes up and down depending on the layer
• stays the same

Pressure ______________________ as you go deeper into the Earth

• increases
• decreases 
• goes up or down depending on the layer
• stays the same

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere
• crust
• lithosphere
• inner core

Which layer is composed mostly of iron?

• Z

• Y

• V

• X

Which layer of Earth do scientists believe is most likely made of solid matter?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the correct order (starting from the surface) of Earth's layers?

• crust, mantle, inner core, outer core
• mantle, outer core, inner core, crust
• inner core, outer core, mantle, crust
• crust, mantle, outer core, inner core