CBSE Class 9 Science Revision Worksheet Set J

Read and download free pdf of CBSE Class 9 Science Revision Worksheet Set J. Students and teachers of Class 9 Science can get free printable Worksheets for Class 9 Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 9 students should practice questions and answers given here for Science in Grade 9 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 9 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Science Worksheet for Class 9

Class 9 Science students should refer to the following printable worksheet in Pdf in standard 9. This test paper with questions and answers for Grade 9 Science will be very useful for exams and help you to score good marks

Class 9 Science Worksheet Pdf

CBSE Class 9 Science Worksheet (4). Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

WORKSHEET NO 1

Subject: Science Date: 24/01/2014

Class: 9

1. Figure shows the position of layers of air, at one moment , as a sound wave of constant frequency passes through the air. Compressions are labeled as C and Rarefraction are labelled as R State how figure would change if

a) sound has higher frequency

b) the sound were louder

c) On figure draw a line marked with arrows to show the wavelength of sound.

2. In a ripple tank 12 ripples are produced in one second . If distance between crest and next trough is 10cm find :

a) wavelength

b) frequency

c) velocity of the wave.

3. a) A longitudinal wave of wavelength 1cm travels in air with a speed of 330 m/s. Calculate the frequency of the wave. Can this be heard by normal human?

b) When we put our ear to a railway track, we can hear the sound of an approaching train even when the train is far off but its sound cannot be heard through air. Why?

4. Write chemical formulae of following:

a) lead nitrate

b) washing soda

c) magnesium(||) acetate

d) mercury(||) chloride

5. Arrange the following in order of decreasing masses.

a) 0.1g atom of silver

b) 1 mole of sulphuric acid

c) 1g of carbon

6. Verify the following:

a) 5 moles of carbon dioxide and 5 moles of water do not have same mass.

b) 240g of calcium and 240g of magnesium elements have a mole ratio 3:5

7. Describe the importance of classification. Give salient features of Class Pisces

8. Why is AIDS considered to be a syndrome and not a disease. Differentiate between acute diseases and chronic diseases.

9. Why is it necessary to conserve natural resources? How can they be conserved?

10. Define biogeochemical cycles. Explain the oxygen cycle and nitrogen cycle.

 

Please refer to attached file for CBSE Class 9 Science Worksheet (4)

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material
Chapter 1 Matter in Our Surroundings
CBSE Class 9 Science Matter In Our Surroundings Worksheet Set A
CBSE Class 9 Science Matter In Our Surroundings Worksheet Set B
Chapter 2 Is Matter Around Us Pure
CBSE Class 9 Science Is Matter Around Us Pure Worksheet
CBSE Class 9 Science Matter Around Us Worksheet
Chapter 3 Atoms and Molecules
CBSE Class 9 Science Atoms And Molecules Worksheet Set A
CBSE Class 9 Science Atoms And Molecules Worksheet Set B
Chapter 4 Structure of the Atom
CBSE Class 9 Science Structure Of Atom Worksheet
Chapter 5 The Fundamental Unit of Life
CBSE Class 9 Science Fundamental Unit Of Life Worksheet
Chapter 6 Tissues
CBSE Class 9 Science Tissues Animals Worksheet
CBSE Class 9 Science Tissues Plants Worksheet
Chapter 7 Diversity In Living Organisms
CBSE Class 9 Science Diversity In Living Organisms Animals Worksheet
CBSE Class 9 Science Diversity In Living Organisms Plants Worksheet
CBSE Class 9 Science Diversity In Living Organisms Worksheet
Chapter 8 Motion
CBSE Class 9 Science Motion Worksheet Set A
CBSE Class 9 Science Motion Worksheet Set B
Chapter 9 Force and Laws of Motion
CBSE Class 9 Science Force And Laws Of Motion Worksheet
Chapter 10 Gravitation
CBSE Class 9 Science Gravitation Worksheet
Chapter 11 Work and Energy
CBSE Class 9 Science Work And Energy Worksheet Set A
CBSE Class 9 Science Work And Energy Worksheet Set B
Chapter 12 Sound
CBSE Class 9 Science Sound Worksheet
Chapter 13 Why Do We Fall Ill
CBSE Class 9 Biology Why Do We Fall Ill Worksheet
CBSE Class 9 Science Why Do We Fall Ill Worksheet
Chapter 15 Improvement in Food Resources
CBSE Class 9 Science Improvement In Food Resources Worksheet Set A
CBSE Class 9 Science Improvement In Food Resources Worksheet Set B
More Worksheets for Class 9 Science
CBSE Class 9 Science All Chapters Worksheet
CBSE Class 9 Science Experiments Worksheet
CBSE Class 9 Science Law Of Conservation Of Mass Worksheet
CBSE Class 9 Science Melting And Boiling Point Worksheet
CBSE Class 9 Science Physical And Chemical Changes Worksheet
CBSE Class 9 Science Preparation Of Mixture And Compound Worksheet
CBSE Class 9 Science Property Of True Solutions Worksheet
CBSE Class 9 Science Revision Worksheet Set A
CBSE Class 9 Science Revision Worksheet Set B
CBSE Class 9 Science Revision Worksheet Set C
CBSE Class 9 Science Revision Worksheet Set D
CBSE Class 9 Science Revision Worksheet Set E
CBSE Class 9 Science Revision Worksheet Set F
CBSE Class 9 Science Revision Worksheet Set G
CBSE Class 9 Science Revision Worksheet Set H
CBSE Class 9 Science Revision Worksheet Set I
CBSE Class 9 Science Revision Worksheet Set J
CBSE Class 9 Science Separation Of Components Of Mixture Worksheet

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

Class 10th and 12th Term 2 Revaluation Process 2022

Evaluation of the Answer Books is done under a well-settled Policy. To ensure that the evaluation is error free, CBSE is taking several steps. After strictly following these steps, the result is prepared. Though, CBSE is having a well-settled system of assessment,...

Board Exams Date Sheet Class 10 and Class 12

Datesheet for CBSE Board Exams Class 10  (Scroll down for Class 12 Datesheet) Datesheet for CBSE Board Exams Class 12

Celebration of Matribhasha Diwas Mother Language day

UNESCO has declared 21st February of every year to be celebrated as International Mother Language day to promote dissemination of Mother Language of all, create awareness of linguistic and cultural traditions and diversity across the world and to inspire solidarity...

CBSE Term 2 Board Examinations

CBSE vide Circular No.Acad-51/2021 dated 5th July, 2021, notified that in the session 2021-2022, Board Examinations would be conducted in two terms, i.e.. Term I and Term II. This decision was taken due to the uncertainty arising out of COVID 19 Pandemic. Term I...