7th Science - Semester 2 Test

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

Tectonic plates are made up of continental crust and ________ crust.

• continental
• oceanic
• plates
• mantle

Tags

NGSS.MS-ESS2-3

What is the core made of?

• steel
• iron 
• aluminum
• iron and nickel

Why is the inner core solid?

• its unknown
• what it's made of
• the pressure
• it is colder than the outer core

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

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

What happens to pressure as we move from the crust to the inner core?

• Pressure Decreases
• Pressure Increases
• Nothing

Identify the layer of the earth labeled # 6

• crust

• mantle

• outer core

• inner core

Which of the following is true regarding the composition of the lithosphere?

• The lithosphere is mostly liquid, with some medium-density materials, such as silicon.

• The lithosphere is more plastic and flows slowly compared to the solid crust of Earth.

• The lithosphere includes the core and the lower portion of the mantle.

• The lithosphere includes the crust and the uppermost portion of the mantle, which is sold and rigid.

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

• They would all increase

• They would all decrease.

• Nothing, the layers are made of the same material throughout

• Temperature would decrease, but pressure and density would increase

The image illustrates what type of boundary?

• Divergent
• Convergent
• Transform
• Emergent

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1