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Predicting Weather Video Lecture | Social Science Class 7 - New NCERT
FAQs on Predicting Weather Video Lecture - Social Science Class 7 - New NCERT
| 1. What tools do meteorologists use to predict the weather? |  |
Ans. Meteorologists use various tools to predict the weather, including satellites, radar systems, weather balloons, and computer models. Satellites help monitor cloud patterns and temperature from space, while radar detects precipitation and storm systems. Weather balloons collect data on temperature, humidity, and pressure at different altitudes. Computer models analyze this data to forecast future weather conditions.
| 2. How do clouds form? | |
Ans. Clouds form when water vapor in the air cools and condenses into tiny water droplets or ice crystals. This process usually occurs when warm, moist air rises and cools. As the air rises, it expands and cools, leading to condensation and cloud formation. Different types of clouds can form depending on the temperature and humidity levels.
| 3. What is the difference between weather and climate? | |
Ans. Weather refers to the short-term atmospheric conditions in a specific place at a specific time, including temperature, precipitation, humidity, and wind. In contrast, climate refers to the long-term average of weather patterns in a particular region over many years. For example, a rainy day is weather, while the average annual rainfall in a region is part of its climate.
| 4. Why is it important to predict the weather? | |
Ans. Predicting the weather is important for several reasons. It helps people prepare for daily activities, such as dressing appropriately or planning outdoor events. Accurate weather forecasts are crucial for agriculture, as farmers need to know when to plant or harvest crops. Additionally, weather predictions can aid in disaster preparedness, allowing communities to respond to severe weather events like hurricanes or floods.
| 5. What are some common weather symbols used in forecasts? | |
Ans. Common weather symbols used in forecasts include a sun for clear weather, a cloud for overcast conditions, and a raindrop for rain. Snowflakes indicate snow, while a lightning bolt represents thunderstorms. Each symbol provides a quick visual representation of the expected weather, making it easier for people to understand the forecast at a glance.
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Sep 26, 2025
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