It is the most abundant gas in the atmosphere.

It is the envelope of gas that surrounds Earth.

This bounces off radio waves from different parts of the world.

It is the layer where all weather changes and patterns happen.

This is the form of oxygen that absorbs UV rays from the sun.

It is the boundary that separates the stratosphere from the mesosphere.

This is the changing temperature in the layers of the atmosphere.

It is an invisible marker that serves as the boundary between Earth’s atmosphere and outer space.

It is the branch of Earth Science which deals with the study of the atmosphere and its corresponding weather patterns.

It is the layer closest to the surface of Earth.

It is a form of oxygen that absorbs UV rays from Sun.

Thermosphere is the outermost layer

Aurora is the sudden or violent movement of air.

Mesosphere has no gases which can absorb UV rays from the sun.

Ionosphere is a layer of charged gas particles in the thermosphere.

The temperature in the mesosphere can go beyond 1000 °C.

Mesopause separates the mesosphere from the stratosphere.

Mesosphere is relatively cold because of a few gas molecules.

Ozone layer is a special region that protects Earth from the harmful sun rays.