Collect information from newspapers
or weather reports on television about
rainfall patterns across the country.
Also find out how to construct a rain-
gauge and make one. What precautions
are necessary in order to get reliable
data from this rain-gauge? Now answer
the following questions :
In which month did your city/town/
village get the maximum rainfall?
In which month did your state/union
territory get the maximum rainfall?
Is rain always accompanied by thunder
and lightning? If not, in which season
do you get more of thunder and
lightning with the rain?
Answers
Rainfall patterns across India:
Rainfall arises only for about three to four months and is uneven, variable and unpredictable in nature. Rainy season in India ranges from June to mid- September.
How to construct rain gauge;
1. Cut the topmost off the bottle.
2. Put some stones in the foot of the bottle.
3. Use a ruler and pointer pen to make a gauge on the bottle.
4. Pour water into the bottle until it spreads the bottom band on the scale.
5. Put your rain gauge separate where it can gather water when it starts raining.
Precautions:
Precautions to be considered while fixing a rain gauge:
• Do not place a rain gauge under trees or roofs to evade extra collection of water.
• Prevent it from any obstacle.
Answers of the questions:
• Our city get max rainfall in the month of august and September.
• Rain is not necessary accompanied by thunder
• In season of summer, rain is accompanied by thunder
Explanation: