Winds are generated due to uneven heating on the earth.
Q3: We fill air into a bicycle tube to keep it tight. True/False.
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Ans:
True
Q4: Increased wind speed is accompanied by reduced _______________________.
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Ans:
Air pressure
Q5: What is the direction of moving air?
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Ans:
Region where the air pressure is high to the region where the pressure is low.
Q6: The greater the difference in air the faster the air moves. True/False
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Ans:
True
Q7: Air ________________on heating.
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Ans:
Expands
Q8: Warm air is ________________ than the cold air.
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Ans:
Lighter
Q9: Smoke goes up because______________
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Ans:
Warm air is lighter and it rises up.
Q10: From where, does the region close to equator get maximum heat?
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Ans:
From sun.
Q11: Define see breeze.
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On a warm summer day along the coast, the differential heating of land and sea leads to the development of local winds called sea breezes.
Q12: When land breeze does occur in day or in night?
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Ans:
Night
Q13: What is beau fort scale?
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Ans:
The Beaufort scale is an empirical measure for the intensity of the weather based mainly on wind power
Q14: Who created beau fort scale?
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The scale was created by the British naval commander Sir Francis Beaufort around 1806.
Q15: The monsoon wind carry ________________ and it rains.
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Ans:
Water
Q16: Hot, humid tropical areas like India.
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Ans:
India, Malaysia, Indonesia, Brazil etc.
Q17: A thunderstorm is a storm with lightning and thunder. Its produced by a cumulonimbus cloud, usually producing gusty winds, heavy rain and sometimes hail.
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Penguin, polar bear etc
Q18: Thunderstorms are most likely to happen in the spring and summer months and during the afternoon and evening hours.
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Ans:
Fur
Q19: Yes, despite their small size, all thunderstorms are dangerous.
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Ans:
A layer of fat under their skin
Q20: Thunderstorm.
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Ans:
Thick skin and lot of fat
Q21: Lightning is an electric current. True/False.
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Ans:
true
Q22: What is hail?
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Hail is created when small water droplets are caught in the updraft of a thunderstorm
Q23: What is a monsoon?
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A monsoon is a seasonal wind, found especially in Asia that reverses direction between summer and winter and often brings heavy rains.
Q24: High speed winds and air pressure difference can cause______________
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Cyclones
Q25: What do you mean by cyclone?
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High speed winds and air pressure difference can cause cyclones.
Q26: How we can monitor cyclones?
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Ans:
By satellites and radars.
Q27: Which one of the following place is unlikely to be affected by a cyclone.
Amritsar
Puri
Mangaluru
Chennai
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Ans:
Chennai
Q28: In summer the winds flow from the land towards the ocean. True/ False
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Ans:
False
Q29: The coastline of India is not vulnerable to cyclones. True/ False
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Ans:
False
Q30: In winter the winds flow from the ____________to the _________.
