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प्रश्न
Explain the different forms of condensation: fog, mist, and dew
उत्तर
Fog and mist are formed at night when the air cools below its dew point near the earth’s surface. Fog is denser than mist and often dangerous because it reduces visibility. Dew forms in winter when the temperature is very low, but not below 0°C.
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संबंधित प्रश्न
Many people leave their pets in parked cars. They think they will be gone for a few minutes, or it will be alright to leave a window open. The temperature inside a parked car can rise up to more than 50°C in a matter of few minutes, irrespective of it being a hot or a cloudy day.
What would be the right thing to do if you see a pet locked inside a car on a hot day?
Fill in the blank:
Humidity refers to the amount of moisture or __________ present in the air.
Name the factors that determine the temperature at a place.
Name the various forms of precipitation.
How is the cloud cover shown on a weather map? Give examples.
What do you understand by the term ‘4 o’clock showers’?
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
How are dewdrops beneficial for plants?
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.
