Earth atmosphere

Front

What is the atmosphere?

Back

A thin layer of gases around Earth.

Front

What are the three global circulation cells?

Back

The polar cell, Hadley cell, and Ferrel cell.

Front

In which direction do jet streams move?

Back

West to East.

Front

Which way do low pressure systems move?

Back

Counterclockwise.

Front

What does the Coriolis effect do?

Back

Moves winds in a circular pattern.

Front

What is the purpose of the atmosphere?

Back

To protect life on Earth by filtering harmful solar radiation and maintaining temperature.

Front

What gases primarily make up the Earth's atmosphere?

Back

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

Front

What is the troposphere?

Back

The lowest layer of the atmosphere where weather occurs.

Front

What is the stratosphere?

Back

The layer above the troposphere, containing the ozone layer.

Front

What is the role of the ozone layer?

Back

To absorb and protect Earth from harmful ultraviolet (UV) radiation.