Class7 Social Studies Chapter2 QA
Chapter 2: Understanding the Weather – Important Question Answers
1. What is weather?
Weather is the day-to-day condition of the atmosphere at a particular place.
2. Name the main elements of weather.
The main elements of weather are temperature, rainfall, humidity, wind, and air pressure.
3. What is temperature?
Temperature is the degree of hotness or coldness of the air.
4. Which instrument is used to measure temperature?
Temperature is measured with a thermometer.
5. What is rainfall?
Rainfall is the amount of rain received in a place during a given time.
6. What is humidity?
Humidity is the amount of moisture present in the air.
7. What is wind?
Wind is the movement of air from one place to another.
8. Why does weather change frequently?
Weather changes frequently because temperature, wind, and air pressure keep changing.
9. How does weather affect our daily life?
Weather affects our clothing, food habits, travel, and daily activities.
10. What is air pressure?
Air pressure is the force exerted by air on the Earth’s surface.
11. What is a weather forecast?
A weather forecast tells us about future weather conditions.
12. Why are weather forecasts important?
They help people plan farming, travel, and daily work.
13. How does weather affect farmers?
Weather affects sowing, irrigation, and harvesting of crops.
14. State one difference between weather and climate.
Weather is for a short period, while climate is the average over many years.
15. What happens on a very humid day?
On a humid day, the air feels sticky and uncomfortable.
16. How is rainfall measured?
Rainfall is measured using a rain gauge.
17. Why is weather information important for fishermen?
It helps them avoid storms and strong winds at sea.
18. How does temperature affect weather?
High temperature makes weather hot, while low temperature makes it cold.
19. Name two activities affected by weather.
Farming and transportation are affected by weather.
20. Why do people wear different clothes in different seasons?
People wear different clothes to protect themselves from heat or cold.
21. What kind of weather is suitable for outdoor games?
Pleasant and dry weather is suitable for outdoor games.
22. How does rainfall affect water supply?
Rainfall fills rivers, lakes, and underground water.
23. Why do we feel cooler during strong winds?
Strong winds carry away heat from our body, making us feel cooler.
24. What causes clouds to form?
Clouds form when water vapour cools and condenses.
25. Why is studying weather important?
It helps us understand climate and plan our activities safely.
26. What type of weather causes floods?
Heavy and continuous rainfall causes floods.
27. What type of weather causes droughts?
Very little or no rainfall causes droughts.
28. How does weather affect plants?
Weather affects plant growth, flowering, and crop yield.
29. Name two instruments used to study weather.
Thermometer and rain gauge.
30. Write two uses of weather reports.
They help in agriculture planning and disaster management.
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