Class 8 Science: Coal and Petroleum Worksheet

How this worksheet helps your child

• Builds confidence in core Science concepts taught in Class 8 through repeated, varied practice.
• Aligned to CBSE and NCERT — questions mirror the pattern children see in school tests and unit assessments.
• Comes with an answer key so parents and students can self-check in minutes, without needing a teacher.
• Pitched at medium level — use it for daily homework, weekend revision or quick exam warm-ups.

About this worksheet

This helpful practice worksheet for Class 8 Science focuses on the crucial topics of Coal and Petroleum. Designed specifically for students following the CBSE curriculum, this resource provides a comprehensive way to assess understanding of these vital natural resources. Through a variety of questions, students will explore the formation, different types, and diverse applications of coal and petroleum in our daily lives. Understanding these subjects is fundamental at this stage as it lays the groundwork for appreciating energy sources, environmental impact, and sustainable practices. This worksheet is ideal for students who have completed their initial study of the 'Coal and Petroleum' chapter from their NCERT textbook and are looking for an effective tool to reinforce their learning and prepare for examinations. It's also suitable for teachers seeking a reliable assessment for their classroom.

What your child will learn

• Identify the characteristics and properties of coal and petroleum.
• Explain the formation processes of coal and petroleum over geological time.
• Categorise different types of coal and petroleum products based on their properties and uses.
• Recognise the significance of coal and petroleum as natural resources.
• Discuss the environmental impacts associated with the extraction and combustion of fossil fuels.

Understanding the concept

Our world relies heavily on natural resources, and among the most important are coal and petroleum. These two substances are known as fossil fuels because they are formed from the remains of ancient plants and animals that lived millions of years ago. Imagine vast forests and tiny marine organisms dying and getting buried under layers of earth and rock. Over millions of years, intense heat and pressure transformed these remains into the dense, black rock we call coal, and the thick, dark liquid we know as petroleum. Coal is primarily used for electricity generation and in industries, while petroleum is refined into various products like petrol, diesel, kerosene, and even plastics, which power our vehicles and are part of many everyday items. Because they take millions of years to form, they are considered non-renewable resources, meaning they are being used up much faster than nature can replenish them. Understanding their formation, uses, and their impact on the environment is key to learning about energy and sustainability.

Tips for parents & teachers

• Encourage your child to read through their NCERT textbook chapter on Coal and Petroleum before attempting the worksheet.
• Discuss each question together after your child has completed the worksheet to clarify any doubts and reinforce correct answers.
• Create a simple diagram at home showing the formation of coal and petroleum to make the learning more visual.
• Relate the concepts in the worksheet to everyday life by pointing out items made from petroleum or how electricity is generated.
• Use this worksheet as a diagnostic tool to identify specific areas where your child might need further explanation or practice.

Topics covered

How to use this worksheet at home

Open the print view and use your browser's Print dialog to print on regular A4 paper or save as a PDF. Hand the printed sheet to your child (Class 8) and set a relaxed time limit — 15 to 25 minutes works for most Science worksheets. When they're done, open the "With answer key" view and let them self-mark question by question. Re-print as many times as you need; the file never expires and there's no download limit.

Frequently asked questions

Is this Science worksheet really free?

Yes — every workbook on WorkbookWala is 100% free to download and print. No login, no email, no paywall. We're free for students, parents and teachers.

Is it aligned to the CBSE / NCERT syllabus?

Yes. All Class 8 worksheets are built around the CBSE and NCERT pattern so they map cleanly to what your child is studying in school.

Can I print this worksheet at home?

Yes. Click "Open print view" and use your browser's Print dialog to print on standard A4 paper, or save it as a PDF for later. The layout is designed to fit cleanly without scaling.

Does it include an answer key?

Yes — click "With answer key" to print a version with answers included, so parents and students can self-mark in minutes.