DOMAINS OF THE EARTH- 2

The uppermost layer over the earth’s surface is called :

• Crust

• Mantle

• Core

The main mineral constituents of the continental mass are :

• silicon and aluminium

• silica and nickel

• silica and alumina

• silicon and magnesium

The chemical name for Iron is :

• Fe - Ferrous

• Fe - Feride

• Iron oxide

• Steel

The radius of the earth is

• 6400 kilometre

• 6300 kilometre

• 7000 kilometre

• 6371 kilometre

The core is made up of

• Silica and magnesium

• Nickel and iron

• Coal and marble

• Silica and alumina

The thinnest layer of the earth is the..

• mantle

• outer core

• crust

• inner core

Which layer contains the gases we breathe?

• atmosphere

• lithosphere

• hydrosphere

• mesosphere

Which layer contains the ground we walk on?

• atmosphere

• lithosphere

• hydrosphere

• mesosphere

Which layer contains the Earth's surface water such as oceans, lakes, streams, and rivers?

• atmosphere

• lithosphere

• mesosphere

• hydrosphere

Which layer is shown in red?

• crust

• mantle

• outer core

• inner core