CBSE Class 8 Science Combustion and Flame Worksheet Set D

Access the latest CBSE Class 8 Science Combustion and Flame Worksheet Set D. We have provided free printable Class 8 Science worksheets in PDF format, specifically designed for Chapter 6 Combustion and Flame. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 6 Combustion and Flame Science Practice Worksheet for Class 8

Students should use these Class 8 Science chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 6 Combustion and Flame, to help you prepare for school tests and final examination. Regular practice of these Class 8 Science questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 8 Science Chapter 6 Combustion and Flame Worksheet PDF

 

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

~ Class 8 Science (Old Chapters)
CBSE Class 8 Science Age of Adolescence Worksheet Set A
CBSE Class 8 Science Age of Adolescence Worksheet Set B
CBSE Class 8 Science Cell Structure and Functions Worksheet Set A
CBSE Class 8 Science Cell Structure and Functions Worksheet Set B
CBSE Class 8 Science Cell Worksheet
CBSE Class 8 Science Chemical Effect of Electrical Current Worksheet Set B
CBSE Class 8 Science Chemical Effects of Electrical Current Worksheet Set A
CBSE Class 8 Science Coal and Petroleum Worksheet Set A
CBSE Class 8 Science Coal and Petroleum Worksheet Set B
CBSE Class 8 Science Combustion and Flame Worksheet Set A
CBSE Class 8 Science Combustion and Flame Worksheet Set B
CBSE Class 8 Science Combustion and Flame Worksheet Set C
CBSE Class 8 Science Combustion and Flame Worksheet Set D
CBSE Class 8 Science Conservation of Plants and Animals Worksheet Set A
CBSE Class 8 Science Conservation of Plants and Animals Worksheet Set B
CBSE Class 8 Science Crop Production and Management Worksheet
CBSE Class 8 Science Crop Production and Management Worksheet Set A
CBSE Class 8 Science Crop Production and Management Worksheet Set B
CBSE Class 8 Science Force and Pressure Worksheet Set A
CBSE Class 8 Science Force and Pressure Worksheet Set B
CBSE Class 8 Science Force and Pressure Worksheet Set C
CBSE Class 8 Science Force and Pressure Worksheet Set D
CBSE Class 8 Science Force Important Questions Set A
CBSE Class 8 Science Friction Worksheet Set A
CBSE Class 8 Science Friction Worksheet Set B
CBSE Class 8 Science Light Worksheet Set A
CBSE Class 8 Science Light Worksheet Set B
CBSE Class 8 Science Light Worksheet Set C
CBSE Class 8 Science Materials Metals and Non Metals Worksheet Set A
CBSE Class 8 Science Metals and Non Metals Worksheet Set B
CBSE Class 8 Science Metals and Non Metals Worksheet Set C
CBSE Class 8 Science Microorganisms Friend and Foe Worksheet Set A
CBSE Class 8 Science Microorganisms Friend and Foe Worksheet Set B
CBSE Class 8 Science Microorganisms worksheet Set A
CBSE Class 8 Science Microorganisms worksheet Set B
CBSE Class 8 Science Pollution of Air and Water Worksheet Set A
CBSE Class 8 Science Pollution of Air and Water Worksheet Set B
CBSE Class 8 Science Pollution of Air and Water Worksheet Set C
CBSE Class 8 Science Pollution of Air and Water Worksheet Set D
CBSE Class 8 Science Reaching The Age of Adolescence Worksheet Set A
CBSE Class 8 Science Reaching The Age of Adolescence Worksheet Set B
CBSE Class 8 Science Reproduction in Animals Worksheet Set A
CBSE Class 8 Science Reproduction in Animals Worksheet Set B
CBSE Class 8 Science Reproduction in Animals Worksheet Set C
CBSE Class 8 Science Reproduction in Animals Worksheet Set D
CBSE Class 8 Science Some Natural Phenomena Worksheet Set A
CBSE Class 8 Science Some Natural Phenomena Worksheet Set B
CBSE Class 8 Science Some Natural Phenomena Worksheet Set C
CBSE Class 8 Science Some Natural Phenomena Worksheet Set D
CBSE Class 8 Science Sound Worksheet Set A
CBSE Class 8 Science Sound Worksheet Set D
CBSE Class 8 Science Sound Worksheet Set E
CBSE Class 8 Science Stars And Plants Worksheet
CBSE Class 8 Science Stars and The Solar System Worksheet Set A
CBSE Class 8 Science Stars and The Solar System Worksheet Set B
CBSE Class 8 Science Stars Solar System and Light Worksheet
CBSE Class 8 Science Synthetic Fibres and Plastics Worksheet Set A

Chapter 6 Combustion and Flame CBSE Class 8 Science Worksheet

Students can use the Chapter 6 Combustion and Flame practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 8 Science. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 6 Combustion and Flame

Our expert team has used the official NCERT book for Class 8 Science to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Science. You can get all this study material for free on studiestoday.com.

Extra Practice for Science

To get the best results in Class 8, students should try the Science MCQ Test for this chapter. We have also provided printable assignments for Class 8 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

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

You can download the teacher-verified PDF for CBSE Class 8 Science Combustion and Flame Worksheet Set D 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 competency-based pattern?

Yes, our CBSE Class 8 Science Combustion and Flame Worksheet Set D 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 D?

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

How does solving CBSE Class 8 Science Combustion and Flame Worksheet Set D 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 D without any registration.