Post-test of earth system, plate boundaries and volcanoes

Which layer is the thinnest layer of earth？

• Crust

• Mantle

• Outer Core

• Inner Core

Which is the correct order of the earth layer from inner to outer

• Crust, Mantle, Outer Core, Inner Core

• Mantle, Out Core, Inner Core, Crust

• Out Core, Inner Core, Crust, Mantle

• Inner Core, Outer Core, Mantle, Crust

The crust and the uppermost mantle make up the solid layer of hard rock called?

• Inner core

• Convection current

• Lithosphere

• Asthenosphere

What are the two types of crusts

• Top crust & Bottom crust

• Water crust & land crust

• Continental crust & Oceanic Crust

• None of the above

Naming the movement of the symbol ‘?’ shows in the picture

• Divergent

• Transforming

• Subduction

• Convection Current

Which layer of earth responsible for the tectonic plate drifting?

• Lithosphere

• Asthenosphere

• Inner Core

• Outer Core

What is convection current

• It is hot molten or semi-fluid rock erupted from a volcano or fissure

• It is the movement of seawater driven by gravity, wind and water density.

• it is the process in which warm material expands and rises while cool material contracts and falls.

• None of above

What type of volcano is the smallest with steep side

• Shield Volcano

• Composite Volcano

• Stratovolcano Volcano

• Cinder cone Volcano

What is convergent boundary

• Two crust move toward each other

• Two crust move away each other

• Two crust slide past each other

• None of the above

What landform does divergent boundary create

• Mountain

• Mid-ocean ridge

• Fault boundaries

• Trench