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CBSE worksheets for Materials: Coal and Petroleum worksheet for class 8 for in PDF for free download. Science worksheets for class 8 CBSE includes worksheets on Coal and Petroleum as per NCERT syllabus. CBSE class 8 worksheets as PDF for free download Coal and Petroleum worksheets. Users can download and print the worksheets on class 8 Science Coal and Petroleum for free.

Download Coal and Petroleum worksheet for class 8

Coal and Petroleum worksheet for class 8 Important Topics

Coal
Petroleum
Natural Gas
Some Natural Resources are Limited

Some important Facts about Materials: Metals and Non-Metals worksheet for class 8

Get an outline map of India. Mark the places in the map where coal, petroleum and natural gas are found. Show the places where petroleum refineries are situated.
Choose any five families of your neighbourhood. Enquire whether their energy consumption (coal, gas, electricity, petrol, kerosene) has increased or decreased in the last five years. Enquire also about the measures they adopt to conserve energy.
Find out the location of major thermal power plants in India. What could be the reasons for their being located at those places?

NCERT Class 8 Science Solved Worksheets

Chapter 1 – Crop Production and Management
Chapter 2 – Microorganisms : Friend and Foe
Chapter 3 – Synthetic Fibres and Plastics
Chapter 4 – Materials : Metals and Non-Metals
Chapter 5 – Coal and Petroleum
Chapter 6 – Combustion and Flame
Chapter 7 – Conservation of Plants and Animals
Chapter 8 – Cell – Structure and Functions
Chapter 9 – Reproduction in Animals
Chapter 10 – Reaching The Age of Adolescence
Chapter 11 – Force and Pressure
Chapter 12 – Friction
Chapter 13 – Sound
Chapter 14 – Chemical Effects of Electric Current
Chapter 15 – Some Natural Phenomena
Chapter 16 – Light
Chapter 17 – Stars and The Solar System
Chapter 18 – Pollution of Air and Water

CBSE Worksheets for Class 8 Science in PDF

Some Natural Resources are Limited

You have studied in the beginning of the chapter that some natural resources are exhaustible like fossil fuels, forests, minerals etc.

You know that coal and petroleum are fossil fuels. It required the dead organisms millions of years to get converted into these fuels. On the other hand, the known reserves of these will last only a few hundred years. Moreover, burning of these fuels is a major cause of air pollution. Their use is also linked to global warming. It is therefore necessary that we use these fuels only when absolutely necessary. This will result in better environment, smaller risk of global warming and their availability for a longer period of time.

In India, the Petroleum Conservation Research Association (PCRA) advises people how to save petrol/diesel while driving. Their tips are

drive at a constant and moderate speed as far as possible,
switch off the engine at traffic lights or at a place where you have to wait,
ensure correct tyre pressure.
ensure regular maintenance of the vehicle.

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