Class 4 Exam > Class 4 Videos > Science Olympiad Class 4 > Air, Water & Weather
Air, Water & Weather Video Lecture | Science Olympiad Class 4
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53 videos|44 docs|59 tests
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FAQs on Air, Water & Weather Video Lecture - Science Olympiad Class 4
| 1. What is air pollution? |  |
Ans. Air pollution refers to the presence of harmful substances in the air, such as pollutants, gases, and particles, that can have negative effects on human health, the environment, and the climate.
| 2. How does water pollution occur? | |
Ans. Water pollution occurs when pollutants, such as chemicals, industrial waste, sewage, or agricultural runoff, are discharged into bodies of water, such as rivers, lakes, and oceans, causing harm to aquatic life and ecosystems.
| 3. What are the main factors that contribute to climate change? | |
Ans. The main factors contributing to climate change include the release of greenhouse gases, such as carbon dioxide and methane, from human activities like burning fossil fuels, deforestation, and industrial processes.
| 4. How does weather forecasting work? | |
Ans. Weather forecasting involves collecting data from various sources, including satellites, weather stations, and weather balloons, and analyzing this data using computer models to predict future weather conditions, such as temperature, precipitation, and wind patterns.
| 5. What are the effects of global warming on the planet? | |
Ans. Global warming leads to rising temperatures, melting ice caps and glaciers, sea-level rise, more frequent and intense extreme weather events, changes in precipitation patterns, and the loss of biodiversity, posing significant threats to human societies and ecosystems.
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Nov 24, 2024 Last updated |
Video Description: Air, Water & Weather for Class 4 2024 is part of Science Olympiad Class 4 preparation.
The notes and questions for Air, Water & Weather have been prepared according to the Class 4 exam syllabus.
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Introduction of Air, Water & Weather in English is available as part of our Science Olympiad Class 4 for Class 4 & Air, Water & Weather in
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Video Lecture & Questions for Air, Water & Weather Video Lecture | Science Olympiad Class 4 - Class 4 full syllabus preparation | Free video for Class 4 exam to prepare for Science Olympiad Class 4.
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