IB ESS Atmospheric Systems and Societies

Front

What is the primary greenhouse gas responsible for global warming?

Back

Carbon dioxide (CO2)

Front

What is the ozone layer and why is it important?

Back

The ozone layer is a region of the Earth's stratosphere that contains a high concentration of ozone molecules. It is important because it helps to protect life on Earth by absorbing the majority of the sun's harmful ultraviolet radiation.

Front

What are the major components of the Earth's atmosphere?

Back

The major components of the Earth's atmosphere are nitrogen, oxygen, argon, and carbon dioxide.

Front

Explain the process of acid rain formation and its environmental impacts.

Back

Acid rain is formed when sulfur dioxide and nitrogen oxides are released into the atmosphere and react with water, oxygen, and other chemicals to form sulfuric and nitric acids. These acids then fall to the ground as acid rain, which can have harmful effects on the environment, including damaging forests, lakes, and aquatic life, as well as corroding buildings and monuments.

Front

What is the difference between weather and climate?

Back

Weather refers to short-term atmospheric conditions in a specific area, while climate refers to long-term patterns and trends in temperature, precipitation, and other atmospheric factors over a larger region.

Front

Describe the causes and effects of air pollution.

Back

Causes of air pollution include emissions from vehicles, industrial activities, and burning of fossil fuels. Effects of air pollution can lead to respiratory diseases, cardiovascular problems, and environmental damage.

Front

What is the greenhouse effect and how does it contribute to climate change?

Back

The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere. It contributes to climate change by trapping heat in the Earth's atmosphere, leading to an increase in global temperatures.

Front

Explain the concept of atmospheric pressure and its effects on weather patterns.

Back

Atmospheric pressure is the force exerted by the weight of the air above. It affects weather patterns by influencing wind direction and speed, as well as the formation of high and low-pressure systems which in turn impact temperature and precipitation.

Front

Discuss the role of the atmosphere in regulating Earth's temperature.

Back

The atmosphere regulates Earth's temperature by trapping heat from the sun through the greenhouse effect, and by circulating heat around the planet through convection and conduction.

Front

What are the major sources of greenhouse gas emissions?

Back

The major sources of greenhouse gas emissions are from burning fossil fuels for electricity, heat, and transportation, as well as from industrial processes, agriculture, and deforestation.