To expel hot air out of the kitchen, ‘A’ has an exhaust fan
fitted on the window of her kitchen and ‘B’ has a similar
exhaust fan fitted on the wall near the ceiling of her kitchen.
Which of the exhaust fan will expel the hot air more effectively?
Explain why?
State whether the following statements are True or False:
(i) If wind flows from land to the ocean, then it is daytime.
(ii) A very high pressure system, with very high speed wind
surrounding it forms a cyclone.
(iii) The coast line of India is not vulnerable to cyclones.
(iv) Warm air is lighter than cool air.
Fill in the blanks.
(i) Air around us exerts __________ .
(ii) The moving air is called _________ .
(iii) The main cause of wind movement is uneven ___________
on the earth.
(iv) High speed wind can cause cyclone in regions of
___________ pressure.
Name the ocean which is mainly responsible to bring rain
bearing monsoon winds to Kerala coast in June every year?
A curtain is hanging at the entrance of a room. A long corridor
runs at right angles to the door, that is parallel to the curtain.
If a strong wind blows along the corridor, the curtain will
(a) get pushed inside the room.
(b) get pushed outside the room.
(c) get collected towards one end/swirled.
(d) remain unaffected.
Which of the following place is most likely to be affected by a
cyclone?
(a) Mumbai
(b) Puri
(c) Goa
(d) Porbandar
Following are precautions one must take in case a storm is
accompanied by lightning.
(i) Do not take shelter under a tree.
(ii) Do not take shelter under an umbrella with a metallic
end.
(iii) Do not take shelter in open garages, storage sheds, etc.
(iv) Do not take shelter in a bus in the open.
Which one of these is not correct?
(a) (i) (b) (ii)
(c) (iii) (d) (iv)
Write a short note on the following in about 30 words.
(iii)
Footloose industries
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