CBSE Class 8 Science Combustion and Flame Worksheet Set D

Read and download free pdf of CBSE Class 8 Science Combustion and Flame Worksheet Set D. Download printable Science Class 8 Worksheets in pdf format, CBSE Class 8 Science Chapter 6 Combustion and Flame Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 8 Assignments and practice them daily to get better marks in tests and exams for Class 8. Free chapter wise worksheets with answers have been designed by Class 8 teachers as per latest examination pattern

Chapter 6 Combustion and Flame Science Worksheet for Class 8

Class 8 Science students should refer to the following printable worksheet in Pdf in Class 8. This test paper with questions and solutions for Class 8 Science will be very useful for tests and exams and help you to score better marks

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

Chapter 6 Combustion and Flame CBSE Class 8 Science Worksheet

The above practice worksheet for Chapter 6 Combustion and Flame has been designed as per the current syllabus for Class 8 Science released by CBSE. Students studying in Class 8 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 8 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 8 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 8 Science to develop the Science Class 8 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 8 Science designed by our teachers. After solving these you should also refer to Class 8 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 8 Science which you can use to further make yourself better in Science.

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