CBSE Class 8 Science Friction Worksheet Set A

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

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Revised Datesheet for Class 10 and 12 Board Exams

Revised date sheet for Class 12 - scroll down for datesheet for class 10 Revised datesheet for Class 10

Pariksha pe charcha 2021 video released by CBSE

Pariksha pe charcha 2021 video released by CBSE

Latest CBSE Syllabus for 2021 2022 PDF Download

Latest Syllabus for Class 12 for 2021 2022 Latest Syllabus for Class 11 for 2021 2022 Latest Syllabus for Class 10 for 2021 2022 Latest Syllabus for Class 9 for 2021 2022 CBSE has issued the latest syllabus for the academic year 2021 2022 which is applicable for all...

CBSE Assessment Framework

The Central Board of Secondary Education (CBSE) today, announced a suggested competency-based assessment framework to strengthen India’s existing school education system for secondary level (classes 6-10) and improve the overall learning outcomes of students across...

SOF Science Olympiad Foundation

SOF~ The most desired name for Olympiads in the Educational World! SOF” refers to the Science Olympiad Foundation. It is an Academic Institution assisting educational based competition and enhancing competitive spirit among the School- Level students. The Science...

SOF IMO International Mathematics Olympiad

SOF IMO refers to the International Mathematics Olympiad organised by SOF, the Science Olympiad Foundation. SOF is the educational foundation involved in the academic upgradation of students. This Olympiad is a maths competitive examination conducted for the aspiring...

×
Studies Today