OLYMPIAD Class-4 ( Air, Water and Weather )
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What is the name given to a line on a weather map connecting points of equal temperature ?
2 / 25
Which of the following is a form of precipitation ?
3 / 25
What is the process by which water vapour in the atmosphere turns into clouds called ?
4 / 25
What is the name given to a large, rotating storm with low pressure at its center, forming over warm ocean waters ?
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What is the name given to the process by which water vapour changes into water droplets ona surface ?
6 / 25
Which layer of the atmosphere is closest to the Earth's surface ?
7 / 25
Which of the following is NOT a component of air ?
8 / 25
Land breeze blows during the -
9 / 25
What causes the wind to blow ?
10 / 25
Which of the following is a type of cloud that appears as thin, wispy strands high in the sky ?
11 / 25
Frozen dew is called -
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Which instrument is used to measure wind speed ?
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Which of the following is a measure of the amount of water vapour present in the air ?
14 / 25
What instrument is used to measure humidity in the air ?
15 / 25
Which of the following is NOT a type of precipitation ?
16 / 25
Which of the following I NOT a form of precipitation ?
17 / 25
What is the process by which water from plant and soil evaporates into the atmosphere called ?
18 / 25
What is the name given to the process by which water changes from a liquid to a gas, usually due to heating ?
19 / 25
Which gas make up the largest percentage of Earth's atmosphere ?
20 / 25
What instrument is used to measure air pressure ?
21 / 25
Which of the following is NOT a factor that affects weather ?
22 / 25
Which of the following is NOT a layer of the Earth's atmosphere ?
23 / 25
Which of the following changes weather ?
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What is the name given to the boundary between two air masses with different temperatures and humidity levels ?
25 / 25
What is the name given to a large body of air with uniform temperature and humidity ?
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