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प्रश्न
You have seen weather reports on television and in newspapers. How do you think we are able to predict the weather?
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उत्तर
The meteorological department of the government collects data on the elements of weather such as maximum and minimum temperatures, maximum and minimum humidity, rainfall, wind speed, etc. They are able to study these elements using various instruments. The maximum and minimum temperature of a day is measured by a thermometer known as the maximum−minimum thermometer. Rain fall is measured by an instrument known as the rain gauge. Wind speed is measured by anemometers. There are various instruments used to measure humidity.
संबंधित प्रश्न
How does the average temperature of Earth remain fairly steady?
Choose the correct answer.
This layer of the atmosphere has the lowest temperature.
Collect rainfall data from the website of the Indian Meteorological Department (IMD) for Mumbai, Chennai, Delhi, and Kolkata and discuss how rainfall patterns have changed in the last 5 years.
Tick the correct answer
Which of the following gases protects us from harmful sun rays?
Write the significance of the following gases.
Oxygen __________________
Carbon dioxide __________________
Ozone __________________
What is atmosphere?
What are Auroras?
Why mountain climbers carry oxygen while climbing?
Highly reactive gas was later names ‘oxygen’ by ______.
The air envelope is thicker near the earth’s surface and we go higher the density and availability of air gradually decreases. Why?
