CBSE Class 8 Science Combustion and Flame Worksheet Set 04

Welcome! Check out CBSE Class 8 Science Combustion and Flame Worksheet Set 04 right here. Get free printable Class 8 Science worksheets in PDF for Chapter 6 Combustion and Flame. Created by experienced teachers, these practice sheets match the 2026-27 exam guidelines set by CBSE, NCERT, and KVS.

Worksheets for Class 8 Science - Chapter 6 Combustion and Flame

Are you in Class 8 Science? Try these chapter-wise worksheets every day to make your concepts of Chapter 6 Combustion and Flame very clear. The practice papers contain useful questions and answers for school tests. Solving these Class 8 Science problems regularly will build your speed and help you score high marks in the 2026-27 exams.

Class 8 Science Chapter 6 Combustion and Flame Printable PDF Worksheet

DEPARTMENT OF SCIENCE
 
SUBJECT: SCIENCE
 
TOPIC : Combustion and flame 
 
I. Answer the following.
 
1. Why do we wrap a blanket around a person who caught fire?
 
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2. Charcoal does not burn with a flame but glows. Why?
 
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3. The calorific values of petrol and CNG are 45, 000 KJ/Kg and 50,000 KJ/Kg respectively. If you have a vehicle which can run on petrol as well as CNG, which fuel you will prefer and why?
 
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4. Why is it easier to burn dry leaves but not green leaves?
 
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5. A flame always points upwards. Why do you think this is so?
 
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6. Food is the fuel for our body. Justify this statement.
 
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7. What is flame?
 
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8. In an experiment 3.5 kg of fuel was completely burnt. The heat produced was measured to be 160,000 KJ. Calculate the calorific value of the fuel.
 
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9. Why do we say increasing fuel consumption has harmful effects on environment?
 
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10. Name the three different kinds of combustion.
 
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11. What do you mean by ignition temperature? Why should we store kerosene oil with proper care?
 
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12. The calorific value of hydrogen is the most. It is not used as a domestic fuel. Why? Give an example where hydrogen is used as a fuel.
 
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KNOW ABOUT BIOGAS
 
Biogas typically refers to a mixture of different gases produced by the breakdown of organic matter in the absence of oxygen. Biogas can be produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food waste. Biogas mainly consists of methane. Biogas is a renewable energy source. it is used as a fuel for any heating purpose, such as cooking. It can also be used to generate electricity.

 

 

Please click on below link to download CBSE Class 8 Science Combustion and Flame Worksheet Set D

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Practice Worksheet & Study Resources for Class 8 Science Chapter 6 Combustion and Flame

Download Practice Sheet: Chapter 6 Combustion and Flame (Class 8 Science)

Make use of the Chapter 6 Combustion and Flame practice set listed above to review effectively for school tests. Prepared according to current CBSE guidelines for Class 8 Science, the material can be saved easily as a PDF format download. Routine problem-solving based on essential exam topics ensures steady grade improvement.

NCERT-Aligned Questions and Answers for Class 8 Science

Compiled using the standard NCERT book for Class 8 Science, these practice exercises ensure accurate guidance. Completing the questions should be followed by checking our comprehensive NCERT solutions, designed to teach clear techniques for Science questions. Every resource is available free of cost.

Boost Your Exam Confidence in Class 8 Science

For top-tier results in Class 8, learners are encouraged to attempt the chapter-wise Science MCQ test. Our platform also offers a wide range of printable assignments for Class 8 Science. Consistent practice builds solid self-assurance and secures higher grades in CBSE assessments.

FAQs

Where can I download the latest PDF for CBSE Class 8 Science Combustion and Flame Worksheet Set 04?

You can download the teacher-verified PDF for CBSE Class 8 Science Combustion and Flame Worksheet Set 04 from StudiesToday.com. These practice sheets for Class 8 Science are designed as per the latest CBSE academic session.

Are these Science Class 8 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 8 Science Combustion and Flame Worksheet Set 04 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 8.

Do you provide solved answers for CBSE Class 8 Science Combustion and Flame Worksheet Set 04?

Yes, we have provided detailed solutions for CBSE Class 8 Science Combustion and Flame Worksheet Set 04 to help Class 8 and follow the official CBSE marking scheme.

How does solving CBSE Class 8 Science Combustion and Flame Worksheet Set 04 help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 8 students get more marks in CBSE exams.

Is there any charge for the Class 8 Science practice test papers?

All our Class 8 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 8 Science Combustion and Flame Worksheet Set 04 without any registration.