Realms of the Earth

Earth is made up of three layers -

• core

• minerals

• crust

• mantle

The lithosphere is the rocky, outer part of the Earth.

• True

• False

The lithosphere is made up of ______, ______ and _______.

• rocks

• atmosphere

• soil

• water

• minerals

Hydrosphere covers ___% of the Earth's surface.

• 700%

• 80%

• 70%

• 1%

Water can be found in three forms

• solid

• liquid

• gaseous

• plasma

What is atmosphere?

Answer explanation

The atmosphere is the layer of gases that surrounds the Earth.

The air in the exosphere is very ______.

• thin

• thick

Artificial satellites orbit in this layer. The layer is _____.

• Troposphere

• Exosphere

• Thermosphere

• Mesosphere

The ozone layer is a part of this layer. The name of the layer is _____.

• Toposphere

• Mesosphere

• Thermosphere

• Stratosphere

This is the lowest layer of the atmosphere. The air in this layer is thick. Name it.

• Troposphere

• Stratosphere

• Exosphere

• Thermosphere