Very Short Q & A :
Q1: Moving air is called ____________.
Ans : Wind
Q2: State the cause of generation of wind.
Ans : Winds are generated due to uneven heating on the earth.
Q3: We fill air into a bicycle tube to keep it tight. True/False.
Ans : True
Q4: Increased wind speed is accompanied by reduced _______________________.
Ans : Air pressure
Q5: What is the direction of moving air?
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
Ans : True
Q7: Air ________________on heating.
Ans : Expands
Q8: Warm air is ________________ than the cold air.
Ans : Lighter
Q9: Smoke goes up because______________
Ans : Warm air is lighter and it rises up.
Q10: From where, does the region close to equator get maximum heat?
Ans : From sun.
Q11: Define see breeze.
Ans : 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?
Ans : Night
Q13: What is beau fort scale?
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?
Ans : The scale was created by the British naval commander Sir Francis Beaufort around 1806.
Q15: The monsoon wind carry ________________ and it rains.
Ans : Water
Q16: Hot, humid tropical areas like India.
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.
Ans : Penguin, polar bear etc
Q18: Thunderstorms are most likely to happen in the spring and summer months and during the afternoon and evening hours.
Ans : Fur
Q19: Yes, despite their small size, all thunderstorms are dangerous.
Ans : A layer of fat under their skin
Ans : Thick skin and lot of fat
Q21: Lightning is an electric current. True/False.
Ans : true
Q22: What is hail?
Ans : Hail is created when small water droplets are caught in the updraft of a thunderstorm
Q23: What is a monsoon?
Ans : 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______________
Ans : Cyclones
Q25: What do you mean by cyclone?
Ans : High speed winds and air pressure difference can cause cyclones.
Q26: How we can monitor cyclones?
Ans : By satellites and radars.
Q27: Which one of the following place is unlikely to be affected by a cyclone.
Ans : Chennai
Q28: In summer the winds flow from the land towards the ocean. True/ False
Ans : False
Q29: The coastline of India is not vulnerable to cyclones. True/ False
Ans : False
Q30: In winter the winds flow from the ____________to the _________.
Ans : Land to the ocean