Structure of the Earth

The _______ is the outermost and thinnest layer.

• crust

• mantle

• outer core

• inner core

The_______ is the layer between the crust and the core.

• crust

• mantle

• outer core

• inner core

The __________ is made of melted metals like iron and nickel.

• crust

• mantle

• outer core

• inner core

The __________ is the deepest layer of the Earth’s structure.

• crust

• mantle

• outer core

• inner core

An _____________ is the sudden movement of the Earth’s surface, caused when the ______________ on the Earth’s crust start to move. It can cause ___________ to buildings and homes.

• earthquake

• tectonic plates

• damage

• inner core

A ___________ is an opening on the surface of the Earth. During an __________, magma shoots out of the volcano through a __________.

• volcano

• eruption

• vent

• earthquake

An _________ is formed when dissolved gases in magma escape into the atmosphere.

• ash cloud

• stone

• rocks

• water

a sudden violet movement of the Earth’s surface is called ....

• earthquake

• volcano

• crust

• magma

a mountain with an opening through which lava flows is called ....

• earthquake

• volcano

• crust

• magma

the outer layer of the Earth is called ....

• earthquake

• volcano

• crust

• magma