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![Samacheer Kalvi solutions for Science - Term 3 [English] Class 5 TN Board chapter 3 - Air - Shaalaa.com](/images/science-term-3-english-class-5-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Science - Term 3 [English] Class 5 TN Board chapter 3 - Air")
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Solutions for Chapter 3: Air
Below listed, you can find solutions for Chapter 3 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science - Term 3 [English] Class 5 TN Board.
Samacheer Kalvi solutions for Science - Term 3 [English] Class 5 TN Board 3 Air Evaluation [Pages 105 - 106]
Choose the correct answer.
Chlorofluorocarbon is used in
refrigerator
air conditioners
Both
None
Which of the following gas is released by automobiles?
Carbon monoxide
Oxygen
Hydrogen
Nitrogen
A wind mill is used to produce
chemical energy
mechanical energy
electric energy
All of these
Influenza is caused by
fungus
bacteria
virus
protozoa
Height of mesosphere which lies after troposphere is
70 to 75 km
75 to 80 km
80 to 85 km
85 to 90 km
Fill in the blanks.
Second highest layer of Earth’s atmosphere is ______.
Releasing substances like chemical compounds into the atmosphere is known as ______.
Airborne diseases can be caused by _______.
The ______ layer protects us from the harmful UV rays coming from the sun.
______ is used by plants as nitrates.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
Answer in brief.
What are the different layers of the atmosphere?
What is air pollution?
Name some of the air-borne diseases?
What is global warming?
Mention two ways of controlling air pollution.
Answer in detail.
List the importance of air.
Explain any three airborne diseases.
Higher order Thinking Questions.
If there is no atmosphere, what will be the condition of the earth?
Give some suggestions to prevent air pollution.
Solutions for 3: Air
Samacheer Kalvi solutions for Science - Term 3 [English] Class 5 TN Board chapter 3 - Air
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Concepts covered in Science - Term 3 [English] Class 5 TN Board chapter 3 Air are Airborne Diseases Caused by Bacteria, Airborne Diseases Caused by Virus, Airborne Diseases Caused by Bacteria, Air Pollution and Its Causes, Airborne Diseases Caused by Bacteria, Air Around Us, Atmosphere and Its Layers, Importance of Air, Effects of Air Pollution, Prevention of Air Pollution, Airborne Diseases, Airborne Diseases Caused by Virus, Airborne Diseases Caused by Virus, Airborne Diseases Caused by Virus, Airborne Diseases Caused by Virus.
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