Grade 4 Exam > Grade 4 Videos > Social Studies for Grade 4 > Mineral Resources
Mineral Resources Video Lecture | Social Studies for Grade 4
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FAQs on Mineral Resources Video Lecture - Social Studies for Grade 4
| 1. What are mineral resources? |  |
Ans. Mineral resources are naturally occurring substances found in the earth's crust that have economic value. They include minerals such as coal, oil, natural gas, metals, and non-metallic minerals like salt, limestone, and sand.
| 2. How are mineral resources formed? | |
Ans. Mineral resources are formed through various geological processes. Some minerals are formed through cooling and solidification of molten rock, such as gold and copper. Others are formed through the deposition of sediments over time, like coal and oil. Minerals can also be created through chemical reactions or the alteration of existing minerals.
| 3. What are the different types of mineral resources? | |
Ans. There are two main types of mineral resources: metallic and non-metallic. Metallic resources include minerals like iron, copper, gold, and silver, which are used in industries such as construction and manufacturing. Non-metallic resources include minerals like limestone, gypsum, and salt, which are used in industries like agriculture and chemical production.
| 4. How are mineral resources extracted? | |
Ans. Mineral resources can be extracted through various methods, depending on their location and type. Some common extraction methods include open-pit mining, underground mining, quarrying, and drilling. The specific method used will depend on factors such as the depth and size of the deposit, the type of mineral, and environmental considerations.
| 5. What are the environmental impacts of extracting mineral resources? | |
Ans. Extracting mineral resources can have significant environmental impacts. These include habitat destruction, soil erosion, water pollution, air pollution, and the release of greenhouse gases. Mining operations can also lead to the displacement of local communities and the loss of biodiversity. To mitigate these impacts, regulations and best practices for responsible mining are implemented, including reclamation and environmental monitoring measures.
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Dec 22, 2024 Last updated |
Video Description: Mineral Resources for Grade 4 2024 is part of Social Studies for Grade 4 preparation.
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