Earths Atmosphere

Front

Troposphere

Back

The portion of the atmosphere which extends from the earth's surface, where all weather forms.

Front

Thermosphere

Back

The part of the earth's atmosphere that begins at about 50 miles (80 kilometers) above the earth's surface, extends to outer space.

Front

What is the layer of air around the Earth called?

Back

Atmosphere.

Front

Aurora Borealis

Back

Broad bands of light that appear in the sky at night especially in the arctic region.

Front

In which layer are Meteors seen?

Back

Mesosphere.

Front

Stratosphere

Back

The second layer of the atmosphere above the troposphere where temperature changes very little.

Front

Exosphere

Back

The outermost layer of the Earth's atmosphere, where the atmosphere thins out into space.

Front

What is the main function of the atmosphere?

Back

To protect the Earth from harmful solar radiation and to maintain temperature.

Front

What gases primarily make up the Earth's atmosphere?

Back

Nitrogen (78%) and Oxygen (21%).

Front

What is the significance of the ozone layer?

Back

It absorbs most of the sun's harmful ultraviolet radiation.