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Air Class 7 Worksheet Geography Chapter 4

Q.1. What is the instrument that measures the amount of rainfall?

Q.2. What do you understand by climate of a place?

Q.3. Why amount of insolation decreases from equator towards poles?

Q.4. How does nature maintain a balance of oxygen and carbon dioxide in the atmosphere? What is the result of this balance get disturbed?

Q.5. What is the standard unit of measurement for temperature?

Q.6. How are winds named?

Q.7. Why do astronauts wear space suits on the moon?

Q.8. Write a short note on the distribution of air pressure in atmosphere?

Q.9. Which gas protects us from harmful sun rays?

Q.10. What are the three main types of winds?

Q.11. Why is the atmosphere essential for life?

Q.12. What is the composition of the atmosphere?

Q.13. What is the role of the ozone layer?

Q.14. What is global warming?

Q.15. How do bacteria help plants use nitrogen?


You can find Worksheets Solutions here: Worksheet Solutions: Air 

The document Air Class 7 Worksheet Geography Chapter 4 is a part of the Class 7 Course Social Studies (SST) Class 7.
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FAQs on Air Class 7 Worksheet Geography Chapter 4

1. What is air pollution?
Ans. Air pollution refers to the presence of harmful substances in the air, such as gases, particulate matter, and biological molecules, that can have adverse effects on human health, animals, and the environment.
2. What are the main sources of air pollution?
Ans. The main sources of air pollution include industrial emissions, vehicle exhaust, burning of fossil fuels, agricultural activities, and natural sources like dust storms and volcanic eruptions.
3. How does air pollution affect human health?
Ans. Air pollution can have various negative health effects, including respiratory problems, such as asthma and bronchitis, cardiovascular diseases, allergies, and even an increased risk of cancer. It can also worsen existing health conditions and reduce overall quality of life.
4. What are the measures to reduce air pollution?
Ans. There are several measures to reduce air pollution, such as implementing stricter emission standards for industries and vehicles, promoting the use of clean energy sources like solar and wind power, improving public transportation systems, planting trees to improve air quality, and raising awareness about the importance of reducing pollution.
5. How does air pollution impact the environment?
Ans. Air pollution can have detrimental effects on the environment. It can lead to the acidification of lakes and forests, damage to vegetation and crops, depletion of the ozone layer, and contribute to climate change. It also harms wildlife and ecosystems, disrupting their natural balance and biodiversity.
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