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प्रश्न
What is condensation?
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उत्तर
Condensation is the process by which water vapour in the air gets converted into tiny droplets of water or ice. It is the opposite of evaporation. Evaporation takes place when air is dry, but condensation occurs only after air is saturated.
संबंधित प्रश्न
Write true or false. Correct the false statement.
Cyclones and anticyclones are examples of variable winds.
Fill in the blank:
Humidity refers to the amount of moisture or __________ present in the air.
Explain the different forms of condensation: fog, mist, and dew
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What are planetary winds?
With the help of your atlas, encyclopedias, and the Internet, find out about the climate of these places.
- Mumbai
- Delhi
- Kolkata
- London
- New York
- Sydney
- The diagram alongside illustrates one of the factors that affect temperature. What is it?
- Which side of the mountain is likely to have houses and be covered with trees?
What is wind? What precautions must be taken while placing a wind vane?
This could be a classroom activity. If your school laboratory has an anemometer, use it to record your city’s wind speed for a week. Use the Beaufort Scale to find out the character of wind during these days. Record your observations carefully in your notebook. You could even draw small neat sketches to show the effect of the wind.
Complete the following table.
| Weather | Climate |
| Short-lived condition of atmosphere | |
| Does not change quickly | |
| Expressed with respect to a specific place | |
| Elements of climate: Temperature, pressure, winds, humidity and precipitation |
