CBSE Class 8 Science Combustion and Flame Worksheet Set 04

Practice Worksheets for Class 8 Science: Chapter 06 Combustion and Flame

Review targeted practice sets for Class 8 Science Chapter 06 Combustion and Flame. Built according to official educational guidelines for the 2026-27 academic year, these downloadable worksheets support daily revision and core concept reinforcement.

Practice Chapter 06 Combustion and Flame Worksheets for Class 8 Science

View or download the dedicated Chapter 06 Combustion and Flame practice resource below. Engaging with these objective and subjective questions daily ensures continuous academic progress and mastery of the 2026-27 curriculum.

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.

 

 

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Practice Worksheet and Study Resources for Class 8 Science Chapter 06 Combustion and Flame

Download Practice Sheet: Chapter 06 Combustion and Flame (Class 8 Science)

Access structured practice worksheets for Chapter 06 Combustion and Flame designed in alignment with the latest CBSE curriculum for Class 8 Science. These printable problem sets help students build accuracy and prepare effectively for school tests.

Concept Clarification for Chapter 06 Combustion and Flame

Each worksheet is structured around standard CBSE textbooks, allowing students to check their working steps and correct mistakes early in their revision.

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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.

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