Class 8 Exam  >  Class 8 Videos  >  Geography for Class 8  >  Overview: Mineral & Power Resources

Overview: Mineral & Power Resources Video Lecture | Geography for Class 8

24 videos|33 docs|21 tests

Top Courses for Class 8

FAQs on Overview: Mineral & Power Resources Video Lecture - Geography for Class 8

1. What are mineral resources?
Ans. Mineral resources refer to the naturally occurring substances found in the Earth's crust that have economic value. These resources include minerals such as coal, iron, copper, gold, and diamonds, which are used in various industries for manufacturing and energy production.
2. How are mineral resources formed?
Ans. Mineral resources are formed through various geological processes over millions of years. Some minerals are formed through volcanic activity, where molten rock cools and solidifies to form minerals. Others are formed through the deposition of sediments, where minerals are carried by water and deposited in layers. Additionally, some minerals are formed through metamorphism, where existing minerals are subjected to intense heat and pressure, causing them to change in composition.
3. What are power resources?
Ans. Power resources, also known as energy resources, are substances or systems that can be converted into usable energy to perform work. These resources include fossil fuels such as coal, oil, and natural gas, as well as renewable sources such as solar power, wind power, hydroelectric power, and biomass.
4. How are power resources used in our daily lives?
Ans. Power resources play a crucial role in our daily lives. Fossil fuels are used for electricity generation, transportation, heating, and cooking. Renewable energy sources are increasingly being utilized for electricity generation, with solar panels and wind turbines becoming more common. These power resources provide the energy needed to power our homes, industries, vehicles, and other modern technologies.
5. What are the environmental impacts of mining and power generation?
Ans. Mining activities can have significant environmental impacts, such as habitat destruction, soil erosion, water pollution, and air pollution. The extraction and burning of fossil fuels for power generation contribute to air pollution and greenhouse gas emissions, leading to climate change. However, renewable energy sources have a lower environmental impact, producing fewer emissions and having minimal resource depletion compared to fossil fuels.
24 videos|33 docs|21 tests
Explore Courses for Class 8 exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Objective type Questions

,

Previous Year Questions with Solutions

,

Overview: Mineral & Power Resources Video Lecture | Geography for Class 8

,

MCQs

,

Extra Questions

,

Free

,

Semester Notes

,

pdf

,

ppt

,

Sample Paper

,

video lectures

,

Overview: Mineral & Power Resources Video Lecture | Geography for Class 8

,

study material

,

Important questions

,

Viva Questions

,

Summary

,

mock tests for examination

,

Overview: Mineral & Power Resources Video Lecture | Geography for Class 8

,

shortcuts and tricks

,

Exam

,

past year papers

,

practice quizzes

;