# CBSE Class 8 Science Friction Worksheet Set A

Read and download free pdf of CBSE Class 8 Science Friction Worksheet Set A. Students and teachers of Class 8 Science can get free printable Worksheets for Class 8 Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 8 students should practice questions and answers given here for Science in Grade 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 standard 8. This test paper with questions and answers for Grade 8 Science will be very useful for exams and help you to score good marks

### Class 8 Science Worksheet for Chapter 12 Friction

CBSE Class 8 Science Worksheet - Friction Part B - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.

BHARATI PUBLIC SCHOOL

SIR GANGARAM HOSPITAL MARG

SUMMATIVE ASSESSMENT No.1

GENERAL SCIENCE

CLASS-8

Assignment no. 8

Ch- 12 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.

Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 8 Science Worksheet - Friction Part B