CBSE Class 9 Science

  • CBSE Class 9 Science Force And Laws Of Motion Notes Set B

    FORCE AND LAWS OF MOTION FORCE Consider a ball kept on a table, we can move it by pulling or pushing. We can increase its speed by pushing it in the direction of motion. If we push it opposite to the direction of motion its speed will decrease. If the ball is in motion towards east, we push it...

  • CBSE Class 9 Science Physical Science Notes

    PHYSICAL SCIENCE This science deals with the properties and Behaviour of nonliving things. (a) Physics (in Greek Nature): It is the branch of science which deals with the study of the natural laws and their manifestation in the natural phenomenon. Mechanics (oldest branch): If deals with the...

  • CBSE Class 9 Science Structure Of Atom Notes Set B

    STRUCTURE OF ATOM INTRODUCTION (i) The idea of tiniest unit of matter (Anu and Parmanu) was propounded by maharishi Kanad in Vedic period in our country. (ii) Democritus, a Greek philosopher also proposed that matter is made up of extremely small particles, the             “atom”. The name atom...

  • CBSE Class 9 Science Atoms And Molecules Notes Set B

    ATOMS AND MOLECULES INTRODUCTION It was proposed by Indian philosopher, maharishi Kanad, that if we go on dividing matter, we will get smaller and smaller particles of matter. Finally, we will get the smallest particle of matter, which cannot be divided further. John Dalton called these particles...

  • CBSE Class 9 Science Is Matter Around Us Pure Notes Set B

    IS MATTER AROUND US PURE PURE SUBSTANCE A homogeneous material which contains particles of only one kind and has a definite set of properties is called a pure substance. Example : Iron, silver, oxygen, sulphur, Carbon dioxide etc., are pure substances because each of them has only one kind of...

CBSE Class 9 Science Tissues Assignment Set A

CBSE Class 9 Science Tissues. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

Chapter 6: Tissues

Page No: 69

1. What is a tissue?

Answer: Tissue is a group of cells that are similar in structure and are organized together to perform a specific task.

2. What is the utility of tissues in multi-cellular organisms?

 


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CBSE Class 9 Science The Fundamental Unit of Life Assignment Set A

CBSE Class 9 Science the fundamental unit of life. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

BIOLOGY

CHAPTER 5: THE FUNDAMENTAL UNIT OF LIFE

Page No: 59

1. Who discovered cells and how?

Answer:

An English Botanist, Robert Hooke discovered cells. In 1665, he used self-designed microscope to observe cells in a cork slice.

 


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CBSE Class 9 Science OTBA Environment Development From Hills assignment

CBSE Class 9 Science OTBA Environment Development From Hills. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

1

Give the reason for the enhancement of quality of man’s living

A

Enhancement of quality of living in man’s life is due to his ability and power to transform his environment through technological developments

2

 


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CBSE Class 9 Science OTBA Clean Air Shared Concern assignment

CBSE Class 9 Science OTBA Clean Air Shared Concern. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

Name the conditions of the atmosphere that provides excellent conditions to support and sustain life.

A

The atmosphere comprising of mainly Nitrogen, Oxygen, Carbon dioxide and water vapour provides excellent conditions to support and sustain life.

 


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CBSE Class 9 Science Motion Assignment Set A

CBSE Class 9 Science Motion. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

 

Please click the link below to download CBSE Class 9 Science Motion

 


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CBSE Class 9 Science Matter in Our Surroundings Assignment Set A

CBSE Class 9 Science Matter in our Surroundings. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

CHEMISTRY

CHAPTER 1: MATTER IN OUR SURROUNDINGS

Page No: 3

1. Which of the following is matter?

Chair, air, love, smell, hate, almonds, thought, cold, cold drink, smell of perfume.

Answer: Chair, air, almonds and cold drink

 


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CBSE Class 9 Science Force and Laws of Motion Assignment Set A

CBSE Class 9 Science Force and Laws of Motion. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

Chapter 9th: Force and Laws of Motion Page No: 118

1. Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

 


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CBSE Class 9 Science Sample Paper 2018 (1)

CBSE Class 9 Science Sample Paper 2018 (1). It’s always recommended to practice as mane sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

 

Please click the link below to download CBSE Class 9 Science Sample Paper 2018 (1)

 


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CBSE Class 9 Science Work And Energy Worksheet Set A

CBSE Class 9 Science Worksheet - Work and Energy. Students can download these worksheets and practice them. This will help them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

CONCEPTUAL QUESTIONS

1

Name the physical quantity having the unit of Newton-metre

1

2

Under what condition the work done by a force is zero

1

3

Give the relation between momentum and kinetic energy of a body.

1

4

 


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CBSE Class 9 Science Why Do We Fall Ill Worksheet

CBSE Class 9 Science Worksheet - Why do we fall Ill. Students can download these worksheets and practice them. This will help them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

ONE MARK QUESTIONS

1.

Give the term used for the state of complete physical, mental and social well being.

2.

List one basic difference between symptoms and signs of a disease.

3.

Which two factors determine the severity of the disease?

4.

 


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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

CBSE Boards Paper Checking to Start

As per the announcement recently released by the Ministry of Home Affairs, at least 3000 CBSE affiliated selected as evaluation centers for board exam answer sheets will be allowed to open for the limited purpose of evaluation purposes only. The answer sheets for Board...

Checking of Boards Answer sheets starts today

CBSE has instructed almost 3000 schools to start the evaluation work for class 10th and class 12th board exam answer sheets from today. The checking of answer sheets for class 10th and class 12th was stopped earlier due to covid crisis in the country. Now in order to...

CBSE advisory on student marks

CBSE has issued a public advisory for all students to be careful from unscrupulous persons impersonating themselves as officers/officials of CBSE. These people have been contacting parents and have been telling them that they have access to student marks data for Board...

Class 12 Board Exams Datesheet Announced

CBSE has announced the datesheet of the remaining class 12 board exams, see below:  

Art Integrated Project work for classes 1 to 10

CBSE Board has decided to introduce Art-Integrated Project work for classes I to X to promote Art-Integrated Learning in schools to make teaching learning Competency-Based and joyful. As part of this, at least one Art-Integrated Project in each subject shall be taken...

Board Exams Class 10 and 12 Notification by CBSE

Because of the prevailing condition of spread of COVID-19 pandemic in the country, special efforts are required for conducting examinations in a safe manner. As a number of students have shifted from the district of their school to some other district in the country,...

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