Structure of the Earth

Which layer or the Earth is the most dense?

• inner core

• outer core

• mantle

• crust

Which layer of the Earth is the least dense?

• inner core

• outer core

• mantle

• crust

Which is the thinnest layer of the Earth?

• inner core

• outer core

• mantle

• crust

Which is the thickest layer of the Earth?

• inner core

• outer core

• mantle

• crust

Which layer is made of solid, hot metal?

• inner core

• outer core

• mantle

• crust

Which layer is made of liquid, hot metal?

• inner core

• outer core

• mantle

• crust

Which layer is made of semi-liquid rock?

• inner core

• outer core

• mantle

• crust

In which layer of the Earth does the convection current take place?

• inner core

• outer core

• mantle

• crust

If a material is more dense it will

• sink

• rise

If a material is less dense it will

• sink

• rise