Read and download free pdf of CBSE Class 8 Science Friction Worksheet. Students and teachers of Class 8 Science can get free printable Worksheets for Class 8 Science Chapter 12 Friction in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 8 students should practice questions and answers given here for Science in Class 8 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 8 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests
Worksheet for Class 8 Science Chapter 12 Friction
Class 8 Science students should refer to the following printable worksheet in Pdf for Chapter 12 Friction in Class 8. This test paper with questions and answers for Class 8 will be very useful for exams and help you to score good marks
Class 8 Science Worksheet for Chapter 12 Friction
Friction
Q1 Fill in the blanks:
i) Force acting on a body can be measured by a -----------------.
ii) Friction is caused by the -------- on the two surfaces in contact
iii) Frictional force exerted by fluids is also called -------------
iv) The frictional force on an object in a fluid depends on its -------,----------- and----------------.
v) ---------------- can be used to reduce friction
vi) ---------is also produced with friction.
vii) Shape of the objects moving in the fluid is ------ to overcome friction exerted by liquids.
viii)------- are used in the machines to protect their surfaces from wear due to friction.
ix) Soapy floor is slippery due to -------- friction.
x)Ball bearing are used to convert static friction into ----- friction.
Q2 Why is it difficult to walk on a smooth and wet floor?
Q3 Why front portion of an aeroplane has a spherical shape or is streamlined?
Q4 On what principle do ball bearings work?
Q5 Give constrction and working of a spring balance. Draw the diagram also.
Q6 “ force of friction is much greater on a rough surface”
Q7 Give some advantages of friction.
Q8 Writ e two advantages of rolling friction.
Q9 Mention two ways to reduce friction?
Q10 differentiate between static and sliding friction.
Q 11 a) Two objects, A and B, one over the other, are moving with the same velocity.
Which of the following statements is correct?
A) Friction on A is in the forward direction.
B) Friction on A is in the backward direction.
C) Friction on B is in the forward direction.
D) No friction acts between A and B.
b) When we rub our palms together vigorously, they become warm because muscular energy is converted into heat energy due to the friction between the palms.
A) True
B) False
Q. 12 What kind of tyres are used in the racing cars and why?
1. What is spring balance?
2. Name two objects having streamlined body to reduce friction.
3. Differentiate between :
a. Sliding Friction and Static Friction.
b. Rapid Combustion and Spontaneous Combustion.
4. Give reasons.
a. The tyres of vehicles are made with grooves.
b. All machines in industries and factories need to be lubricated regularly.
c. Bodies of aeroplanes are streamlined.
5. What are the necessary conditions for the combustion to take place.
6. Kapil burnt a piece of coal and paper separately. He observed that the paper burnt with a flame while the piece of coal burnt without a flame. Why is it so?
7. Why should fossil fuels be used judiciously?
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CBSE Class 8 Science Chapter 12 Friction Worksheet
We hope students liked the above worksheet for Chapter 12 Friction designed as per the latest syllabus for Class 8 Science released by CBSE. Students of Class 8 should download in Pdf format and practice the questions and solutions given in the above worksheet for Class 8 Science on a daily basis. All the latest worksheets with answers 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 class tests and examinations. Studiestoday is the best portal for Class 8 students to get all the latest study material free of cost.
Worksheet for Science CBSE Class 8 Chapter 12 Friction
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Chapter 12 Friction worksheet Science CBSE Class 8
All worksheets given above for Class 8 Science have been made as per the latest syllabus and books issued for the current academic year. The students of Class 8 can be rest assured that the answers have been also provided by our teachers for all worksheet of Science so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided a lot of MCQ questions for Class 8 Science in the worksheet so that you can solve questions relating to all topics given in each chapter. All study material for Class 8 Science students have been given on studiestoday.
Chapter 12 Friction CBSE Class 8 Science Worksheet
Regular worksheet practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of Chapter 12 Friction concepts. Worksheets play an important role in developing an understanding of Chapter 12 Friction in CBSE Class 8. Students can download and save or print all the worksheets, printable assignments, and practice sheets of the above chapter in Class 8 Science in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 8 Science MCQ Test for the same chapter.
Worksheet for CBSE Science Class 8 Chapter 12 Friction
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