Layers of the Earth

The thickest layer of the earth is the ______.

• crust

• mantle

• inner core

• outer core

The only liquid layer of the earth's geosphere is

(a)  

Which is the most abundant element in the earth's crust?

(the chemical symbol may do)

(a)  

Which is the densest among Earth’s layers?

• crust

• mantle

• inner core

• outer core

Which two elements are most abundant in the inner core?

• iron

• magnesium

• nickel

• platinum

What happens to pressure when one goes deeper into the earth's layer? Pressure __________.

• decreases

• increases

• stops

• is unchanged

Which of the following correctly ranks the layers of the earth in terms of density? (least dense to densest)

• outer core - inner core - mantle - crust

• outer core - inner core - crust - mantle

• crust - mantle - inner core - outer core

• crust - mantle - outer core - inner core

Which of the following layers of the Earth is primarily responsible for its geomagnetic properties?

• crust

• mantle

• inner core

• outer core

What is the name of the boundary between the crust and the mantle?

• The Gutenburg Discontinuity

• The Lehman Discontinuity

• The Moho

What is the maximum temperature in the inner core? (in degree Celsius)

• 1000

• 3000

• 5000

• 6000

Tags

NGSS.MS-PS3-4