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Air around Us Class 6 PPT

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 Page 1


About the AIR
? Air is the mixture of gases on the earth.
? A thick blanket of air surrounding the earth’s surface is 
called as atmosphere.
? The moving air is called as wind.
? These are the figures that moves with the help of wind.
Page 2


About the AIR
? Air is the mixture of gases on the earth.
? A thick blanket of air surrounding the earth’s surface is 
called as atmosphere.
? The moving air is called as wind.
? These are the figures that moves with the help of wind.
COMPOSITION OF AIR
? These substances which made up air can be now 
individually identified.
? The composition of the air is shown below.
? Air contains mainly oxygen, nitrogen and remaining 
includes carbon dioxide, noble gases, water vapour, 
dust particles, and traces of other gases.
Page 3


About the AIR
? Air is the mixture of gases on the earth.
? A thick blanket of air surrounding the earth’s surface is 
called as atmosphere.
? The moving air is called as wind.
? These are the figures that moves with the help of wind.
COMPOSITION OF AIR
? These substances which made up air can be now 
individually identified.
? The composition of the air is shown below.
? Air contains mainly oxygen, nitrogen and remaining 
includes carbon dioxide, noble gases, water vapour, 
dust particles, and traces of other gases.
Nitrogen and oxygen
? Air contains about 78% nitrogen and 28% oxygen.
? Oxygen in air supports burning whereas nitrogen does 
not.
Page 4


About the AIR
? Air is the mixture of gases on the earth.
? A thick blanket of air surrounding the earth’s surface is 
called as atmosphere.
? The moving air is called as wind.
? These are the figures that moves with the help of wind.
COMPOSITION OF AIR
? These substances which made up air can be now 
individually identified.
? The composition of the air is shown below.
? Air contains mainly oxygen, nitrogen and remaining 
includes carbon dioxide, noble gases, water vapour, 
dust particles, and traces of other gases.
Nitrogen and oxygen
? Air contains about 78% nitrogen and 28% oxygen.
? Oxygen in air supports burning whereas nitrogen does 
not.
Carbon dioxide
? Air contains about 0.003% of carbon dioxide.
? Plants and animals take in oxygen and give out carbon 
dioxide during respiration.
? During burning, carbon dioxide is also produced.
Page 5


About the AIR
? Air is the mixture of gases on the earth.
? A thick blanket of air surrounding the earth’s surface is 
called as atmosphere.
? The moving air is called as wind.
? These are the figures that moves with the help of wind.
COMPOSITION OF AIR
? These substances which made up air can be now 
individually identified.
? The composition of the air is shown below.
? Air contains mainly oxygen, nitrogen and remaining 
includes carbon dioxide, noble gases, water vapour, 
dust particles, and traces of other gases.
Nitrogen and oxygen
? Air contains about 78% nitrogen and 28% oxygen.
? Oxygen in air supports burning whereas nitrogen does 
not.
Carbon dioxide
? Air contains about 0.003% of carbon dioxide.
? Plants and animals take in oxygen and give out carbon 
dioxide during respiration.
? During burning, carbon dioxide is also produced.
Water Vapour
? Air contains varying amounts of  water vapour 
depending on the weather of a place.
? The sun heats the water in oceans and seas. This water 
evaporates and forms.
? Here is an image of wet clothes dry.  
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FAQs on Air around Us Class 6 PPT

1. What is air made up of?
Ans. Air is primarily made up of nitrogen, oxygen, carbon dioxide, and other gases. Nitrogen constitutes about 78% of the air while oxygen makes up around 21%. The remaining 1% consists of trace gases like carbon dioxide, argon, helium, and others.
2. How does air help in the process of respiration?
Ans. Air plays a crucial role in the process of respiration. When we breathe in, our lungs take in oxygen from the air. This oxygen is then transported to different parts of our body through the bloodstream. Oxygen is necessary for the cells in our body to produce energy. During respiration, carbon dioxide is also produced, which is exhaled out of the body when we breathe out.
3. Why is air considered an important natural resource?
Ans. Air is considered an important natural resource because it is essential for the survival of all living beings. It provides us with oxygen, which is necessary for respiration. Air also helps in regulating the Earth's temperature, preventing excessive heat loss during the night and maintaining a suitable temperature for life. Additionally, air supports the water cycle, aids in the dispersal of seeds and pollen, and plays a crucial role in various ecological processes.
4. How does air pollution affect our health?
Ans. Air pollution can have detrimental effects on our health. Breathing in polluted air can lead to various respiratory problems such as asthma, bronchitis, and allergies. It can also worsen existing respiratory conditions. Prolonged exposure to air pollution has been linked to cardiovascular diseases, lung cancer, and other serious health issues. Children, the elderly, and individuals with pre-existing health conditions are particularly vulnerable to the harmful effects of air pollution.
5. How can we contribute to reducing air pollution?
Ans. There are several ways in which we can contribute to reducing air pollution. We can use public transportation or carpool instead of driving alone to reduce vehicle emissions. Opting for eco-friendly modes of transportation such as cycling or walking can also help. Conserving energy at home by using energy-efficient appliances, turning off lights when not in use, and minimizing the use of air conditioners can reduce pollution from power plants. Planting trees, promoting recycling, and avoiding the burning of waste are also effective steps in reducing air pollution.
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