CLASS 8TH CHAPTER-3 COAL AND PETROLEUM ||SCIENCE

CLASS 8TH CHAPTER-3 COAL AND PETROLEUM ||SCIENCE This chapter introduces students to the natural resources coal and petroleum, which are essential sources of energy. It explains the difference between natural resources, exhaustible and inexhaustible resources, and focuses on fossil fuels like coal, petroleum, and natural gas. Students learn about: The formation of coal and petroleum over millions of years from the remains of dead plants and animals. The types of products obtained from coal (like coke, coal tar, and coal gas) and petroleum (like petrol, diesel, kerosene, and LPG). The process of refining petroleum and its importance. The conservation of fossil fuels and the need for using them wisely due to their limited availability. The chapter emphasizes sustainable use of resources and encourages the use of alternative energy sources to reduce dependence on fossil fuels.