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WorksheetsHuman influence on rainfall
Total questions: 10
Worksheet time: 5mins
Which statement best describes how rain is formed?
moist air cools to form clouds then rain occurs
moist air rises, cools, condensation occurs, clouds are formed.
moist air rises, cools, condensation occurs, clouds are formed, then rain occurs
moist air rises, cools, condensation occurs, then rain fall.
Which of the following human activities may not influence rainfall?
factories
deforestation
cloud seeding
the use of renewable energy
Which statement best defines cloud seeding?
a deliberate attempt by man to modify type of rainfall
an artificial method of inducing formation of clouds and rain by introducing a condensation nuclei in the atmosphere.
an artificial method of making clouds and rain.
an artificial method of inducing formation of clouds and rain by by using aeroplanes that has happened only in UAE.
How does cloud seeding influence rainfall?
introduction of condensation nuclei increases condensation, clouds and rainfall amount
it increases rain clouds and rainfall
it leads to formation of convectional rainfall
rainfall may happen more often after cloud seeding.
Cloud seeding successfully happens only with cumulus clouds. True or false?
TRUE
FALSE
Cloud seeding may increase precipitation by what percentage?
5-10%
10-20%
15-30%
5-20%
In which of the following countries has cloud seeding been a success?
India
China
Thailand
USA
All of the above
One of the following is a reason why countries use cloud seeding:
to increase regular water supply for desert areas
to tackle drought in affected areas
to stop climate change
to modify the climate
For cloud seeding to be successful, the following is required:
a large amount of condensation nuclei should be available in the atmosphere
conditions for cloud formation should be present
a cloudy weather is required.
a hot dry climate is required.
Which of the statements below is true?
cloud seeding in UAE takes place only in winter
cloud seeding in UAE takes place only in summer
cloud seeding is not limited by season but can take place any time of the year.
cloud seeding is only possible in the months of December to March.
