The Atmosphere

Front

What is the layer above the troposphere called?

Back

Stratosphere

Front

What season occurs when the area you live in tilts away from the sun?

Back

Winter

Front

What is the term used to describe the motion of the Earth around the Sun?

Back

Revolution

Front

What percentage of the Sun's energy is reflected back into space?

Back

About 30%.

Front

What is the layer of atmosphere closest to the Earth called?

Back

Troposphere

Front

What is the primary gas found in the Earth's atmosphere?

Back

Nitrogen (about 78%)

Front

What is the function of the ozone layer?

Back

To protect the Earth from harmful ultraviolet (UV) radiation.

Front

What is the term for the boundary between the troposphere and the stratosphere?

Back

Tropopause

Front

What phenomenon causes the seasons on Earth?

Back

The tilt of the Earth's axis and its revolution around the Sun.

Front

What is the main source of energy for the Earth's atmosphere?

Back

The Sun.